Extrinsic 42211-2

{
  "heartbeat": {
    "blockNumber": 42210,
    "sessionIndex": 703,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xe6901c8563cc9f698cfe0ab917b5ca830d0fbdb0c749504e7ad93f24063d2c3718eac46c1528a62135e16dc4b776811f9b6db6028511f750f63c2c24d499b584"
}