Extrinsic 34537-1

{
  "heartbeat": {
    "blockNumber": 34536,
    "sessionIndex": 575,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x9cff68dbb2a4e4d1deb81f638010cc03081f6248d7a3d59b81bb4e3046bfed76e97adca9e076a4f507937be4f80520f8a98a8fda13a13fd0f2ab973f5c9f1486"
}