Extrinsic 14471-1

{
  "heartbeat": {
    "blockNumber": 14469,
    "sessionIndex": 241,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x72189f3354d8d6f96d13e64c96a6b8a5e47bc41bb19d644bab1adeb5ab922f777968dc62f69a00ee6d769b0743196c946698c476525c757898d4acbeb12ead8d"
}