{
  "manageEntity": {
    "action": "Create",
    "entityId": "1485614772",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1485614772,\"description\":\"\",\"playlist_name\":\"AFTER YOU\",\"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\":1782985779,\"metadata_timestamp\":1782985779,\"track_id\":296713385}]}}",
    "nonce": "0x4f643efb50a0c9c218358ba9581f42a82621c5562c705fc610c844db81e8b117",
    "signature": "0xd52d3ae7e5564dfcfb9c2bd35fd53e92607a5240daecc58f3956aef5444e11d702af8b4fcd4797903157dcb5d900cd7816d0e35dab95beacb61dbd48c6d5948c1c",
    "signer": "0x4472649e86ce1112114495aD96E09304dAA98495",
    "userId": "780341547"
  }
}