{
  "manageEntity": {
    "action": "Create",
    "entityId": "1342203503",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1342203503,\"description\":\"\",\"playlist_name\":\"Písně jako pozadí do videa\",\"is_private\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x18711d73a21c6410a3f70d89a87b8af87fc7eae4e5f4460f5eb24a8415392f0e",
    "signature": "0x69ee7f54172c18f9e0e3586d7e54a6a3f714bdb837fd7bb562f490e678719bdd25a828e3aa5e6b87cb7173428412e50e2d640ba49de423d458966da97f95cea81c",
    "signer": "0x71169348E8952C295f8422D731593E09a3A5dF7a",
    "userId": "767261022"
  }
}