Extrinsic 68544-1

{
  "heartbeat": {
    "blockNumber": 68543,
    "sessionIndex": 1142,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x1ced47c1023fbbec3d2c1ea5f5d46743f575aca9694ee1040b295fa2f44479181899ae5e62f40c620d93d2e91ef4633b03cb37542de42b64d5e78659f4647789"
}