Extrinsic 10304-1

{
  "heartbeat": {
    "blockNumber": 10302,
    "sessionIndex": 171,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x7aad59192a25959b1ae4cef92d2766b75bff17bd70bda59fad4e23d4afe89061f10649653a80d7acf2088212267995f2cdac1e7735d7088d3cb0827d720ca388"
}