Extrinsic 89347-1

{
  "heartbeat": {
    "blockNumber": 89345,
    "sessionIndex": 1489,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe4ca0410351bc853c49d05ddb3bf688cf0dc2624fef32b34e16515bbad82a165cdcc5d685d56c14e386452f4664f714381ca75ed516f13771c57483b7db7368f"
}