{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120305",
    "entityType": "User",
    "nonce": "0x86c34723ad7bb3f8ec90b4ac82f2d4f10fa859698e9b3be946f9f166bc6d7a31",
    "signature": "0x46dc4d1be1f5a4f79e953e918d7199069f4f2b242fb5f9d99db0178978443f0225497b5898e30435c8848c84f31f7911aa6ce1e3b04afa8b2af869b962fa15c21c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}