#3dprinting''navigationEndpoint':{'clickTrackingParams':'CNMBENbKAxgHIhMIt9fR__KQiAMVDN4_BB3vlQR0''commandMetadata':{'webCommandMetadata':{'url':'/hashtag/3dprinting''webPageType':'WEB_PAGE_TYPE_BROWSE''rootVe':6827'apiUrl':'/youtubei/v1/browse