Extrinsic 11983-1

{
  "heartbeat": {
    "blockNumber": 11981,
    "sessionIndex": 199,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xfe1d6e43a6d1d2d109cc80a1ace4c53ede32dc703087eb4436d2c0ab3f5fd14da5878afa9505e5acbf2775a84a70a40f254cb899f31483686537ac6881f2c08d"
}