{"key":"left-挥手打招呼","side":"left","part":"wave","mask":[7,8,9,10,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29],"skills":[{"source":"14_24","start":60,"end":121,"duration":3},{"source":"14_24","start":500,"end":561,"duration":3},{"source":"14_24","start":40,"end":101,"duration":3},{"source":"14_24","start":80,"end":141,"duration":3},{"source":"14_24","start":20,"end":81,"duration":3},{"source":"13_26","start":100,"end":161,"duration":3},{"source":"111_37","start":0,"end":54,"duration":2.65}],"finger_note":"来源无指骨真值, 挥手显示采用标准展开手型, 不作为手指监督真值."}