{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208551",
    "entityType": "User",
    "nonce": "0x7ee4c215c1bf9d59237a6f16335ca66880a88e405a6fcb6bd816b2d0e36e82f7",
    "signature": "0x8c15ed72f675537b401bd5432e1582ea4724489b7ff53fbd11fd6d0c92830a6863afe5074cfcad60e6eb9d6a5a2bf722fc5d95f93a2d053b4c24f43f2e98279c1b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}