Extrinsic 10664-1

{
  "heartbeat": {
    "blockNumber": 10662,
    "sessionIndex": 177,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x166a1eaa1135e12bac311afa0c95fd9975876e17e980d7777ac22041c19cf52436686027e722620650995476abdf320ae7e0ed8800741685355c16d673e1178f"
}