Extrinsic 63520-1

{
  "heartbeat": {
    "blockNumber": 63519,
    "sessionIndex": 1058,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x522ffa404c57672b2d56c720f5fec9903dd2f168ae829d5d3fb8d989bd5d443407de5a9f411c5726d30aafa3a4d96759798e77eb3e884689e2c268eed7f3b088"
}