Research the way to create the correct redeemer for webservice, using polkadot.js
https://polkadot.js.org/docs/keyring/start/create
Signature using polkadot keyring instead of Talisman.
Possabilities:
Talisman get's data in wrong way
Talisman uses wrong algorytm to sign
Talasman receives wrong parameters
Use polkadot validator
Research the way to create the correct redeemer for webservice, using polkadot.js https://polkadot.js.org/docs/keyring/start/create Signature using polkadot keyring instead of Talisman. Possabilities: Talisman get's data in wrong way Talisman uses wrong algorytm to sign Talasman receives wrong parameters Use polkadot validator