{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214896",
    "entityType": "User",
    "nonce": "0x22fa2c802db76d0f59f693ca19f16125abbdd689a8a446d21299058bbbc99546",
    "signature": "0x7f0545eb4f47a510160a7ed786f051fb055a5e844cf74211eec4a9476c4c595762cbbb776c7e461e3c78f287d5fd2ae1d7fd293196f79ae8e03774dbae95bc1e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}