{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5562",
    "entityType": "User",
    "nonce": "0x4733bba1fba5cd99e89a93bac3fac46bee50ea6e15e6f378e1b122e46eb7c3ed",
    "signature": "0x15714c7896000fbb93eac033f13c93382951a930140f495843bf7e424b93cbb362416f9a45602d3ae7299f56d88f59042b1e98f3c1225687046664908a9b7ed81c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}