{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177486",
    "entityType": "User",
    "nonce": "0x435e25cd76b674dac690f72c9ad33246b9caf369a7e3bd7881273cad045ae143",
    "signature": "0x47fed4a2a7a6165346c4103576ef2aea53b381e33e86aef417d2da3339f1e8fd237be98642eb13666e6de5472b6ae0872fdbbcf01b9129cff3ae3443dbca62001c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}