{
  "manageEntity": {
    "action": "Create",
    "entityId": "1849198448",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1849198448,\"description\":\"\",\"playlist_name\":\"اغزوا على الغازي\",\"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\":[{\"timestamp\":1777809456,\"metadata_timestamp\":1777809456,\"track_id\":949344}]}}",
    "nonce": "0x8313d464ca2a75255d1c761feaf7a329807dc94ba45baf192e6cffbabcf3561a",
    "signature": "0x252cbb433cdcbc2ae1518425750386a1efd441f0bb856ec7853b7f28f05a047710e7a4cabe7ce4c1c9aeacc383c10cab8d1b0415d6d7b3d858314a876ca64c8a1b",
    "signer": "0xBB7b9E0bFE457D30F53C38EE5d7Aab163550cc05",
    "userId": "455978043"
  }
}