{
  "manageEntity": {
    "action": "Create",
    "entityId": "528663904",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":528663904,\"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": "0xb3fff80dad200163389b405e8be7a52acbccbfc087d0a16485874a3e8e38f5a3",
    "signature": "0x03de3da4bb55751030aca8d853e62f0100f51dba3c2afd2e4b4334498743b8987109d59db171cf91ccd47647a61e91d029a5c45a9aa8f0b6eb6ef7ea025043f51b",
    "signer": "0x832d36795a8f06654eC0F76AcEE0dfBa112223Ed",
    "userId": "279583906"
  }
}