Extrinsic 55363-1

{
  "heartbeat": {
    "blockNumber": 55362,
    "sessionIndex": 922,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7c847c190ccba379ce02422bb652ea6863b1051b5a0bcc8dabbe3c0ae529e15ceb96c628b8adfde79677e5f4319b2f1fa2a8cfac4d7c43f71079d09d3bbf9583"
}