{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57804",
    "entityType": "User",
    "nonce": "0x14bdf283bb9395aaea265a27b379eb4df8144f53c9b5c3f6d705b6f735126b67",
    "signature": "0x137a3057800bc849a7094535b93b81e5cf0524607003cd95766c50a46fed602476d4800ec523ca0e86bcdfb9e96f414d388d6a70d4cc08efc74de78a426049911b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}