{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948977,-0.315345,0.000000,0.000000,0.176176,-0.530173,0.829384,0.000000,-0.260992,0.785411,0.561261,0.000000,-1666397.617547,5014747.198112,3559588.064619,1],    "boundingVolume": {    "region": [1.891547,0.595855,1.891685,0.595961,0.000000,6.689227]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_1069109.b3dm"}}}