Extrinsic 54227-1

{
  "heartbeat": {
    "blockNumber": 54226,
    "sessionIndex": 903,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x1668a04370ccc5da6b32fad369f4683183e1a76268dcf30c45c9156c7e02a2706669e6d2d99aa04a04d584ea0c2d01dc4ceee64d0228c68aa297addd86c1d689"
}