Extrinsic 44078-1

{
  "heartbeat": {
    "blockNumber": 44077,
    "sessionIndex": 734,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xba66c9ccc80f736915f47d4ff3480a9637e6a9fb4e73900ad22f780562f8af47348a46d77e4651983a6d4685e3851f9df11b7b2b9195c99c00abc28bd4e3bc8f"
}