{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30356",
    "entityType": "User",
    "nonce": "0x98792f6aa50749fd311b6a9c9567eb0ca8918d70a8ab5c7ada936115e0333632",
    "signature": "0x6d7fe73a68ccb85aee43b2f52949ef8e72e9132168343cf1e34eecbda9294bac76ed994ea7b51f6d93b7cb81d4a1ea6b0527a774cf6f56c42beb8a555a4c6b9c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}