Extrinsic 142871-1

{
  "heartbeat": {
    "blockNumber": 142869,
    "sessionIndex": 2381,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xa246ba2024f30eb8147d1a9913223bd8cd8909128bff98b2ea13684fec8f7e152a3cbca4563369768f589db6c34798a0cfce19d47c36c18e9350746e987e8681"
}