Extrinsic 33278-1

{
  "heartbeat": {
    "blockNumber": 33277,
    "sessionIndex": 554,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xaa3c66528c084a7d280bfe0609ead61ed62280343efd695801b720afa05e843f1af1669e8a9b2f22080eadcf64e9ef72b82c3dbdcabecfd07236ce542c6c9c8f"
}