{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944263,-0.329193,0.000000,0.000000,0.183963,-0.527682,0.829282,0.000000,-0.272419,0.781412,0.561412,0.000000,-1739362.185929,4989219.275850,3560547.965167,1],    "boundingVolume": {    "region": [1.906188,0.596053,1.906302,0.596128,0.000000,8.811949]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_851479.b3dm"}}}