Extrinsic 23078-1

{
  "heartbeat": {
    "blockNumber": 23077,
    "sessionIndex": 384,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x34453cf7b37760337ba4631e7f1d6ee90e91c003c6141159a48530a4f49f174909dc87c896143325eb51f7cee6c90ed0933ab25847549220408a71c7acc50e8a"
}