{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xc34ba11a69a8265bc5bee3c63e9cc52327ddc023d176cd8ab38aca42e8152bb0",
    "signature": "0x2462ac22721e5b8ddedd64f1f941290f5d6f505c51caedd5277f016b4d095f5c4a4d16d08ec4bb6803ba20cc9d139ce5fd50466f2757b2a055b5b1b8f62808321b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}