Extrinsic 55841-1

{
  "heartbeat": {
    "blockNumber": 55839,
    "sessionIndex": 930,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x7a6cb9df73ef6ac2c80683c580c7addf3e9303d9f44bd631fce3ec0cc6e7a76ea1160c1afb234e8719aa87f2717daafbea5154330cbf6f734a8b1841ddf9c088"
}