{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "713649918",
    "entityType": "User",
    "nonce": "0x5257f89efc99e0c2c3a233fb9553d923125794917dd9ee82e09d0931be4e4eb8",
    "signature": "0x1226d6c48dc949dcf9b37b810b45995995dc3c7013b87ddf6d81d7c6c425ee7465f2a5b02bbeabb48393bd75e98be7d5cf2cc0158b44f49a2d583cd01f9ff6091c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}