{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188206",
    "entityType": "User",
    "nonce": "0x29c5390bb650c74c977f0235cdc0ee1402deba827f9b17a313694722f50d8d38",
    "signature": "0x73354b16f7899d1a0ac3f6790f0b677a776a311cc80e445530a9907456ebe952363c0f3e0b177289faf5d24dcc1f78ecea057900fd78fa3aac14496941696eef1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}