Extrinsic 13068-1

{
  "heartbeat": {
    "blockNumber": 13066,
    "sessionIndex": 217,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xf2209a1d5a82915349c13473b565049a99c3a8b4c81ea1734d79584569fc1236a8c30e23853898ab89d49e4b50fc407258217ea3cd1284fd7c39d9df32c97a83"
}