Extrinsic 27443-1

{
  "heartbeat": {
    "blockNumber": 27441,
    "sessionIndex": 457,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x14d700c05faafcbb064d6b80567800368eec5abc6931c37ca7a59518ebe0ad171232f3cabb79f1ef4da112f27eb68e0a7fcfa1242e5a01e687d7c2d5633e0385"
}