{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71498",
    "entityType": "User",
    "nonce": "0xa888c3df11866ba6b8845dc383958dd828dee265a244e8c9d6b726c9715df5fe",
    "signature": "0xbd8942a86d4d793d6d330a31c944aeec01edc83c78897c6fd0cac57900460f0265f55510e3d5748a9e22d54d858494e893c44b5dbc6149610a5e836c125fcac81b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}