Update Tangle RPC endpoints

[devpavan04]

Summary of changes

• Update tangle rpc endpoints.

Proposed area of change

Put an x in the boxes that apply.

• [ ] Overview
• [ ] Anchor System
• [ ] dApps
• [ ] Tangle
• [ ] Protocols
• [ ] Relayers

Code Checklist

• [ ] I have tested that prove my changes are working as intended
• [ ] I have added necessary documentation (if appropriate)

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