{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948734,-0.316075,0.000000,0.000000,0.176393,-0.529462,0.829793,0.000000,-0.261726,0.785600,0.560654,0.000000,-1671084.392088,5015943.267439,3555729.572352,1],    "boundingVolume": {    "region": [1.892338,0.595063,1.892434,0.595286,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1074020.b3dm"}}}