Extrinsic 11709-1

{
  "heartbeat": {
    "blockNumber": 11708,
    "sessionIndex": 195,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xaa782421bab9749f11935ab6a318a9ee39dabcd8e65cfde494814c2019fc103f72d0325f5343c8f5e21b3460521d74ce40a2dbe9c352196be301cdcf42a7128b"
}