Extrinsic 31960-1

{
  "heartbeat": {
    "blockNumber": 31959,
    "sessionIndex": 532,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x44f47533d3916a3f98f0945700918d7d2a709f4786fe52417d4a025793ca6f305720d17a2c8c0bd299450d383ee49a91b9d7a58b35d0d1c802597be5eb001488"
}