Extrinsic 7808-1

{
  "heartbeat": {
    "blockNumber": 7806,
    "sessionIndex": 130,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x6a8f81b94357207a5a9c76acdcc1f0c26de5a8086c182f130c54c9a4435bd94a9997849f4f165a2463d3d1a37d8dffb7179e81144d744b930312512b2c49a28e"
}