{
  "manageEntity": {
    "action": "Create",
    "entityId": "881938671",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":881938671,\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x14f76a5b6daa72454da5b24c15d426377f13e5dabc83436986711ce074d7b3d0",
    "signature": "0x57bc9d77850a8d1d1b84a4020da9aeeca75b4a4a6c63ff50dd6226c84b39f5e56af4b359fd6e17fca17626cc8127fef9bdd58d4586763e044b6f5edd7a382c351b",
    "signer": "0x3984eb1de994f9Db70F8155F9396cD88dE969F42",
    "userId": "325651620"
  }
}