Extrinsic 120135-1

{
  "heartbeat": {
    "blockNumber": 120134,
    "sessionIndex": 2002,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x68c0b115ad171f53bf60a30143b1ca00e30696865be0c7f48e673cbffc54b87926e750ad2e3faa618217341861138ac2c5adb2d1fdf6c4fb7a46ceccc4f18c84"
}