Extrinsic 34875-1

{
  "heartbeat": {
    "blockNumber": 34873,
    "sessionIndex": 581,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x80cfa11d54edd75c5d230826bce14d698e5c57b7bac9ea06caf376a7e4ea9977bdb917e5c599bad77bb2372de37c2de12b36fcf80a522175f5845a7ee7f6218a"
}