{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950641,-0.310291,0.000000,0.000000,0.173682,-0.532109,0.828670,0.000000,-0.256586,0.786105,0.562319,0.000000,-1638276.892994,5019197.822513,3566316.945573,1],    "boundingVolume": {    "region": [1.886213,0.597103,1.886379,0.597273,0.000000,8.779138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1325480.b3dm"}}}