Extrinsic 70287-1

{
  "heartbeat": {
    "blockNumber": 70286,
    "sessionIndex": 1171,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x34a7f373bb8326cdaf02db95ff95453a326445802e4fac3be53e95c5f9b54b783d85da817b622b8c8e75db604ebdeb3cf12e92e98a5447ac8cc00b0087379b8e"
}