{
  "manageEntity": {
    "action": "Create",
    "entityId": "1514916000",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1514916000,\"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": "0x06aed884c5885a5dd31a38b89c4c17bb235d5eaa67d1539b4d657cbe60d75ea6",
    "signature": "0xc849714bdd5c09aa607e0850c9e02807d53e2f8e06a09fc0f1f570eb14519b280557c872df664d3a9b88994c70fd82add39d16027577288b5543c0f60392f69c1b",
    "signer": "0x2FF439eC596256CCb68DdDa4D5c4B41A35DeE076",
    "userId": "319178143"
  }
}