Extrinsic 43365-1

{
  "heartbeat": {
    "blockNumber": 43363,
    "sessionIndex": 722,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x3477ab033e336e7dc2914e7c8ca4508820febd384dae077c60634de343e7076eb064b737c661d8144127ec42c6294290c45abe4ec425f0c0b463a7e86c5dfd87"
}