Extrinsic 34507-1

{
  "heartbeat": {
    "blockNumber": 34506,
    "sessionIndex": 575,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xfef59603b05b787d837d0d98c0ca77d6c57575aa89b872a417192e33ebebd871c0cc9ca662e38299cc6fae55067ac9817baa1de6053694d33031395a6cc7958d"
}