Extrinsic 50066-1

{
  "heartbeat": {
    "blockNumber": 50065,
    "sessionIndex": 834,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa64e985c637080d280d88ffe78692687bf12769be94c1fd907d44b460378214ed253b74ddddf5eb3ffc0720663653e6572960498fc03a6bb359fbb5c5722c488"
}