Extrinsic 81609-1

{
  "heartbeat": {
    "blockNumber": 81608,
    "sessionIndex": 1360,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb0a01f7ac6de0224d6f3b610646504bff3b7b2b07a94b4554e9ca80e1ddcf204fe2716fb00b1c95841238ec496ee4d5ab3780374b0ce667d946230df9f754c87"
}