Extrinsic 22774-1

{
  "heartbeat": {
    "blockNumber": 22773,
    "sessionIndex": 379,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xec5776cff4dd9715c0d3f42d6372e4324ed4f81d9ce45b356875577e9fee7716d24c07cf10a2e8268f4c3346e2a2c343ae0273c805d6712eae514db9df4d3181"
}