Extrinsic 23589-1

{
  "heartbeat": {
    "blockNumber": 23588,
    "sessionIndex": 393,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x12410d3a8fc7b5d1b4bec7ec645791f8020ea6f74f045a81d082f0f6852f0a54e79df633c3b32ba2a4ec877667a5e264104c16f1566fb8997e0ba4db263c608c"
}