{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944263,-0.329191,0.000000,0.000000,0.184014,-0.527832,0.829176,0.000000,-0.272382,0.781311,0.561570,0.000000,-1739127.262002,4988576.897042,3561555.859333,1],    "boundingVolume": {    "region": [1.906186,0.596245,1.906300,0.596320,0.000000,8.115298]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_729924.b3dm"}}}