{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xe9d156ab31ea42dccce64c16f341588a458e0cbdce9af5f167abe490707c152d",
    "signature": "0xe8b80926c72a8056ba1f969f543d65e313548fcfef8dffe166862f34df520a2c0eeccbe4852098cc3ab4701a47323a1e8d686cc1b67c6e1b4af9ce72ceca98661c",
    "signer": "0xA43EDF394658F6073AD5d4C89f3873E9377c82B9",
    "userId": "22160"
  }
}