holdon new_producers for block detail

The block #18418330 broadcasts the new producers with sepecial data like this:
  "new_producers": {
    "version": 370,
    "producers": [{
        "producer_name": "bitfinexeos1",
        "block_signing_key": "EOS4tkw7LgtURT3dvG3kQ4D1sg3aAtPDymmoatpuFkQMc7wzZdKxc"
      },{
        "producer_name": "cochainworld",
        "block_signing_key": "EOS5QDSQyh96SmktA28dteEchc1QCVdqKYG4YVDHGGATMYxqy33wi"
      },{
        "producer_name": "eos42freedom",
        "block_signing_key": "EOS4tw7vH62TcVtMgm2tjXzn9hTuHEBbGPUK2eos42ssY7ip4LTzu"
      },{
        "producer_name": "eosauthority",
        "block_signing_key": "EOS7dA4bBiwNqwHwoSY9wSVyXfUgKqdLEMv5hC6tBxVsutKkarpUk"
      },{
        "producer_name": "eosbeijingbp",
        "block_signing_key": "EOS5dGpcEhwB4VEhhXEcqtZs9EQj5HeetuXDnsAGVHMXHAFdMjbdj"
      },{
        "producer_name": "eosbixinboot",
        "block_signing_key": "EOS7QC1XfAtkYeLjbHQjcDWVqUsxuSJ3YRhNyG93VAv2u3uHopGVp"
      },{
        "producer_name": "eoscanadacom",
        "block_signing_key": "EOS5HYV7rWeRxpZMCooe8YHRFQHKK7ncdmmUMTe3wCMaY2EvyVzUx"
      },{
        "producer_name": "eoscannonchn",
        "block_signing_key": "EOS73cTi9V7PNg4ujW5QzoTfRSdhH44MPiUJkUV6m3oGwj7RX7kML"
      },{
        "producer_name": "eosfishrocks",
        "block_signing_key": "EOS4xAhqjLs5fsCzw7QsGYJtRDVo3t2xRFCHd7amGEWwhjSb5DPZT"
      },{
        "producer_name": "eosflytomars",
        "block_signing_key": "EOS6Agpfp38bTyRjJDmB4Qb1EpQSq7wnEAsALXgXE7KFSzKjokkFD"
      },{
        "producer_name": "eosgenblockp",
        "block_signing_key": "EOS6y277mUAuj1Pn3uUiqmDTME2ujhRCVQtw6pCQ8q3uFfwEVjoJ1"
      },{
        "producer_name": "eoshuobipool",
        "block_signing_key": "EOS5XKswW26cR5VQeDGwgNb5aixv1AMcKkdDNrC59KzNSBfnH6TR7"
      },{
        "producer_name": "eosiosg11111",
        "block_signing_key": "EOS7zVBQMhV7dZ5zRQwBgDmmbFCHA6YcmwW6Dq5CePGpqLR1ZsVAc"
      },{
        "producer_name": "eoslaomaocom",
        "block_signing_key": "EOS8QgURqo875qu3a8vgZ58qBeu2cTehe9zAWRfpdCXAQipicu1Fi"
      },{
        "producer_name": "eosnewyorkio",
        "block_signing_key": "EOS6GVX8eUqC1gN1293B3ivCNbifbr1BT6gzTFaQBXzWH9QNKVM4X"
      },{
        "producer_name": "eospaceioeos",
        "block_signing_key": "EOS6yHKg1ve1i4AguSYUNNrzBoBxkjyxrhg8pyZqmFWeFXkf4JX4p"
      },{
        "producer_name": "eosswedenorg",
        "block_signing_key": "EOS7SGSBsWhSob6TEric6u3TGodcc1uXFcqSrquJ3Etuqcbb3VnNY"
      },{
        "producer_name": "jedaaaaaaaaa",
        "block_signing_key": "EOS6nB9Ar5sghWjqk27bszCiA9zxQtXZCaAaEkf2nwUm9iP5MEJTT"
      },{
        "producer_name": "libertyblock",
        "block_signing_key": "EOS7TqVs7LpMzJwikiWkGTG9UGSwcQVhxP2ZKBM7FCbUwcrryNgHP"
      },{
        "producer_name": "starteosiobp",
        "block_signing_key": "EOS4wZZXm994byKANLuwHD6tV3R3Mu3ktc41aSVXCBaGnXJZJ4pwF"
      },{
        "producer_name": "zbeosbp11111",
        "block_signing_key": "EOS7rhgVPWWyfMqjSbNdndtCK8Gkza3xnDbUupsPLMZ6gjfQ4nX81"
      }
    ]
  }
adyliu / jeos

holdon new_producers for block detail #1
