{
  "manageEntity": {
    "action": "Create",
    "entityId": "1164227818",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1164227818,\"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": "0xe8daf69f7e53461ced0b691a2901d03a0d8a53105009e0c771d32978ef3a5f45",
    "signature": "0x953eb53f6179c51f4081c380864cad3cbd544eb0fd82a97be0537e0a208c918805e7fffa42d182e7dc35d801cade6b2eb2da3e5d5ea079e4c5f8312aabd5f3651b",
    "signer": "0x0450E532991E079588109Fa9442908A9042D02e8",
    "userId": "828244780"
  }
}