{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942847,-0.333225,0.000000,0.000000,0.186737,-0.528365,0.828227,0.000000,-0.275402,0.779239,0.562975,0.000000,-1758417.638579,4975371.825206,3570484.097662,1],    "boundingVolume": {    "region": [1.910456,0.597950,1.910581,0.598012,0.000000,8.704239]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/2/20_1285249.b3dm"}}}