Extrinsic 143423-1

{
  "heartbeat": {
    "blockNumber": 143421,
    "sessionIndex": 2390,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x0a9ce0e9dffafe06c22be3e23364a9bbca3d3c50418a6ade6f766f790bb02f3b91625b496cb334ded3f565b0c5d4c0af36e5aa4c2a14e4145b2b1261afa6a081"
}