{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956631",
    "entityType": "User",
    "nonce": "0x8ed7c4c8064fb8b75084ca8a6e9ba0f618852a0a885e2b363bc204680dc55144",
    "signature": "0x16f5fe1413bf450c8d561144efaf410ae6734cc6f7ed7aca3063858af9f26c753de8f709804721f71f8fc61c2383158ef64745c7f78ca0f4fb0c56d7ddff92ee1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}