{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950800,-0.309805,0.000000,0.000000,0.171761,-0.527138,0.832241,0.000000,-0.257298,0.789655,0.556995,0.000000,-1642789.577462,5041764.467300,3532476.044175,1],    "boundingVolume": {    "region": [1.885699,0.590701,1.885869,0.590824,0.000000,7.988562]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_1322116.b3dm"}}}