{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894782,-0.446504,0.000000,0.000000,0.284223,-0.569576,0.771233,0.000000,-0.343419,0.688202,0.639094,0.000000,-2193373.171616,4395461.958385,4054487.659516,1],    "boundingVolume": {    "region": [2.033584,0.693257,2.033717,0.693382,0.000000,8.918140]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1016876.b3dm"}}}