{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949315,-0.314327,0.000000,0.000000,0.175580,-0.530277,0.829445,0.000000,-0.260169,0.785748,0.561171,0.000000,-1661143.601451,5016898.313228,3559016.485293,1],    "boundingVolume": {    "region": [1.890476,0.595746,1.890613,0.595853,0.000000,8.800059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/7_1363268.b3dm"}}}