{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950638,-0.310303,0.000000,0.000000,0.173607,-0.531859,0.828847,0.000000,-0.256651,0.786270,0.562058,0.000000,-1638690.883124,5020251.096123,3564655.033445,1],    "boundingVolume": {    "region": [1.886226,0.596787,1.886391,0.596956,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1327147.b3dm"}}}