Extrinsic 34126-1

{
  "heartbeat": {
    "blockNumber": 34125,
    "sessionIndex": 568,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xa26c5f413fd3928d7b9f6be9cb0fc628098f7c3a3c0ee9cb458b87b3e7cd3b63595dd8dd903c128d1eadcb86e4f79a14793815e49716d9b33a3ae4f9c7e1ef85"
}