Extrinsic 142892-1

{
  "heartbeat": {
    "blockNumber": 142890,
    "sessionIndex": 2381,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x44450478ffccbc96814716fa26e36dfdc79d7a2fdbd169566ca1cf81dede8b192a4532fbc9f0b7b6d864f3a6d683be1415b9bc827664cadcee246ba50397ef8e"
}