{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183616896",
    "entityType": "User",
    "nonce": "0xaf190e44358705e0cff4695cd7c8518ccf6eb7f7bd04276e56561c131d703347",
    "signature": "0x62903d1b05e15704770bb6aa6289869fcf65e001910423e2d1e7a8208ee39ecc142111e75bd6cca0dc69c18ced2e09f829767fbb2310208bb53b48425d70fb621c",
    "signer": "0x5e6d01F8B70091388F9Fc78aCe897341e3696c0f",
    "userId": "335869800"
  }
}