{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186410956",
    "entityType": "User",
    "nonce": "0xfd0b5543d9051ddfcf9d5e7e07d16fe5e19d46ecfc91387badfdaa59618207dd",
    "signature": "0x57f2494e5be5c6e3ec278fd33fe3dfb90f17766dc0edf34af92e4c35cf5e4ea1123f77e59bd012542f4c28be9228b8837b45a3b12def6dacb98e404d9ad8c9691b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}