Extrinsic 13788-1

{
  "heartbeat": {
    "blockNumber": 13787,
    "sessionIndex": 229,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xfec95b42ff4b9ab02a1cbe42ca187fbf5c394e51885f0623c27ca93e2e4eea53757a4087bd6d954d889b1c6e968aeaaadc3621443cf6bff6d3d0b9e18703218e"
}