{
  "manageEntity": {
    "action": "Update",
    "entityId": "29050",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierav7fynmqebwhqsuuhkh4muyhiyrctnay5pwadubglizh4fed3dqkq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1428},{\"type\":\"playlist\",\"playlist_id\":56274},{\"type\":\"playlist\",\"playlist_id\":9616},{\"type\":\"playlist\",\"playlist_id\":575787394},{\"type\":\"playlist\",\"playlist_id\":220504132},{\"type\":\"playlist\",\"playlist_id\":69649},{\"type\":\"playlist\",\"playlist_id\":43501},{\"type\":\"playlist\",\"playlist_id\":44525}]}}}",
    "nonce": "0xb58c609c6212fe4f288e6d85ee19e7df941c86723a8d5459c5510315e5d1cc37",
    "signature": "0x6850096ad36caa72296d4a6c645699cf79c7dda904ffe486b8296bd58fa3578a5e4fa96fd9fd531c90d8b25384fb3ce8390b6f6c8d4cfba08aa2d8323c7465c11c",
    "signer": "0x9d2ec6a46a9c5b10e9f194E0d8365Fb4cD986916",
    "userId": "29050"
  }
}