{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53491",
    "entityType": "User",
    "nonce": "0x5455460c5b3ae177386a6a87e57b547f648511e036fc9ba41f18f33fc5e5b777",
    "signature": "0x23c21d4f5d67a3c7647517fad466b247046fad6d39d5d6c3d8d6f72013653dc914667f23b6b69f2fcf123e8b3d6ed562d37c2ca0afe674259c81950ba8eaaf241b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}