{
  "manageEntity": {
    "action": "Create",
    "entityId": "1935428796",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1935428796,\"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": "0x6a2bf2acc8182caf524f2021decb74e21b0b167f6c58914ae45447c41ea4703a",
    "signature": "0x1abd6ac8450f71db3b8db926b497486de6e8390c447a910a89e086029000083237fb2ed608ec4c206972e6a945cbb943df448e7e3aa14d6a399a7fc8517cbc751c",
    "signer": "0xfE8b7901289A70702AC15CcB11911b872E54e80D",
    "userId": "540022120"
  }
}