{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949035,-0.315170,0.000000,0.000000,0.176123,-0.530339,0.829289,0.000000,-0.260817,0.785368,0.561402,0.000000,-1665284.634769,5014476.996805,3560483.427796,1],    "boundingVolume": {    "region": [1.891364,0.596025,1.891501,0.596132,0.000000,8.824363]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_1068110.b3dm"}}}