{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948907,-0.315556,0.000000,0.000000,0.176046,-0.529389,0.829913,0.000000,-0.261334,0.785858,0.560475,0.000000,-1668581.758891,5017586.752847,3554593.539295,1],    "boundingVolume": {    "region": [1.891791,0.594864,1.891886,0.595054,0.000000,17.003995]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/28_1075915.b3dm"}}}