Extrinsic 40602-1

{
  "heartbeat": {
    "blockNumber": 40600,
    "sessionIndex": 676,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xecda2635c35d7eced7b167e0db4e97326bab984d6c48c7c6eae96775e5263644412ff3134abf30e150cd45c06a7ba8a8b88fa579c0932110b8e38eee11c2258f"
}