{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948989,-0.315310,0.000000,0.000000,0.176247,-0.530452,0.829191,0.000000,-0.260901,0.785235,0.561548,0.000000,-1665822.503914,5013633.929739,3561412.684241,1],    "boundingVolume": {    "region": [1.891511,0.596202,1.891648,0.596308,0.000000,8.752947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1150669.b3dm"}}}