{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950533,-0.310622,0.000000,0.000000,0.172447,-0.527704,0.831740,0.000000,-0.257820,0.788954,0.557746,0.000000,-1646126.690503,5037301.978935,3537253.399205,1],    "boundingVolume": {    "region": [1.886559,0.591568,1.886729,0.591768,0.000000,5.418704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/3_1322170.b3dm"}}}