Extrinsic 24821-1

{
  "heartbeat": {
    "blockNumber": 24819,
    "sessionIndex": 413,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xa0f62de77787ee230e6f26302d4eb749a49d91b9c7d8fe8372c510c5dea4c27c754c1cede886757b96278d5637d4a7617d83811cc74b2ba8fbe8bfced3e6008f"
}