Extrinsic 40360-1

{
  "heartbeat": {
    "blockNumber": 40358,
    "sessionIndex": 672,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x3e8c802a4436d687182a729072d749ba45bcd99c1f10971400f42dfd858eba5b5db0a7b147bc0442ce9eaca0409acb60f716623d3db83147760755dcc9b9c08f"
}