{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949630,-0.313374,0.000000,0.000000,0.175245,-0.531052,0.829019,0.000000,-0.259245,0.785602,0.561802,0.000000,-1655251.615110,5015979.240110,3563027.772585,1],    "boundingVolume": {    "region": [1.889463,0.596478,1.889617,0.596646,0.000000,12.226917]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411538.b3dm"}}}