Extrinsic 35313-1

{
  "heartbeat": {
    "blockNumber": 35312,
    "sessionIndex": 588,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x68fb5fbc894fde01f45f7d551679d2decdd5c3c4d47b6d732c90a75002e39f13b215857aa89acc5b77fc56590b1e8cedb06963f7373a59d53e3c3c32d5d4578f"
}