Extrinsic 68674-1

{
  "heartbeat": {
    "blockNumber": 68673,
    "sessionIndex": 1144,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6045ecb6922087c91f68570433411c6837f5094a979af46b7f3cb2601e6acf7ada4dbeefc575f6d355e3ef54836b6c53d6df96bf6417c96e3ad383e8bddbf484"
}