{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0x5a124376a61a432c2852c036e8241ca4c80c044a5547dfb74a9974ad47cdf82c",
    "signature": "0xc33ff44d2a9cbb21794ae874b75cb5740a312f884c0c9e7da256c7867df6e22334e127686b81713a1615fdc7bf7cf5fad0d029639f7b176d21ae135cb4534cdb1b",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}