Extrinsic 35258-1

{
  "heartbeat": {
    "blockNumber": 35256,
    "sessionIndex": 587,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xee6d9170ce7127c6bc3ec8d1a6c08ac67830221eacebb6bfecc4aaef943aee5f47b5d89feb635e456794dda83be568213e9aaf003e3fc6f9f378e4ffdc1cad85"
}