{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950668,-0.310210,0.000000,0.000000,0.173572,-0.531930,0.828808,0.000000,-0.256562,0.786259,0.562115,0.000000,-1638119.383606,5020180.153661,3565015.174017,1],    "boundingVolume": {    "region": [1.886127,0.596856,1.886292,0.597025,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396851.b3dm"}}}