Extrinsic 143504-1

{
  "heartbeat": {
    "blockNumber": 143502,
    "sessionIndex": 2391,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xf82236f682b0d1b37ac615ff3529bda355f69e7dd779608c56e53c33f3a4421a0ca88cfc3024299e59a89f9d4603b8f8b27ee1d0b83741ced196335cfcb55584"
}