{
  "manageEntity": {
    "action": "Create",
    "entityId": "701121817",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":701121817,\"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": "0x60273d177a209110db7efbc73e4e1c04a6966e1c524c0f627ae7d34071865739",
    "signature": "0x7f392a04f6b61155503a66e92a5e542ed06dd96241287d2472fa1806333c89982c570f6971a4c73afb661767a55e001f4d82914606c3ae50e1c44f34a844fd081c",
    "signer": "0xE20f4D023f35d633fC1DB853C354425e14D1a4aD",
    "userId": "112185621"
  }
}