{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950216,-0.311591,0.000000,0.000000,0.174162,-0.531120,0.829204,0.000000,-0.257828,0.786264,0.561528,0.000000,-1646202.190063,5020200.560208,3561286.403824,1],    "boundingVolume": {    "region": [1.887594,0.596127,1.887732,0.596335,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432547.b3dm"}}}