{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871352,-0.490658,0.000000,0.000000,0.211836,-0.376197,0.901998,0.000000,-0.442016,0.784970,0.434102,0.000000,-2821018.946597,5009804.276240,2751963.761781,1],    "boundingVolume": {    "region": [2.083585,0.449001,2.083697,0.449082,0.000000,61.012005]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_223699.b3dm"}}}