{
  "manageEntity": {
    "action": "Create",
    "entityId": "940553898",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":940553898,\"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": "0x3046b454304138f49326f130211890dd520828c5f5fcf999950e9dd945fe2a74",
    "signature": "0x2b34645241122bc01a9b9a3be0f737149536ba6cdc658e30c13b7bea57cdeb096bfe860fc040e3f87d595e4e8ecca3ddc262f995fb6074d33fa548d268427af51b",
    "signer": "0x3e48DC5763519fbdE0A26db7C59929E8Bb6B8Fe2",
    "userId": "971129804"
  }
}