Extrinsic 47259-2

{
  "heartbeat": {
    "blockNumber": 47257,
    "sessionIndex": 787,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xf0e89648899a71d0a1fae17aba21f12913a9994acfd5ed669e8ecdf555b42207ad28cbede394cd3256e04e9ad610876ea03b3975751c5c48e9df639f80e9b385"
}