Extrinsic 27349-1

{
  "heartbeat": {
    "blockNumber": 27347,
    "sessionIndex": 455,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x585506627af6b657076b8dc1282a5a6478cb12f48e115b9d7f66210c527d9b34686e965b3b800376a9b0a9fe9897c91faef8efccd651b76fc13f852ebea7b588"
}