{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949476,-0.313839,0.000000,0.000000,0.175452,-0.530807,0.829132,0.000000,-0.259666,0.785583,0.561634,0.000000,-1657936.783898,5015854.643730,3561961.756836,1],    "boundingVolume": {    "region": [1.889981,0.596319,1.890080,0.596400,0.000000,10.281829]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1409168.b3dm"}}}