{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8c1241e3f5f2ede2d92b95fa3e1925d8bc9352ed0e08ab4464758163dd5d248b",
    "signature": "0xbfcd310ab22e76e22478d3945ae2bf49aeacbb10075b09e2754d9e14b213fa157602b8d2a68c044c00a05da607376b88227a95e642eb1885e8bd542c5e67e9a71c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}