{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949141,-0.314852,0.000000,0.000000,0.175855,-0.530125,0.829483,0.000000,-0.260615,0.785641,0.561113,0.000000,-1663995.529657,5016213.777178,3558651.544820,1],    "boundingVolume": {    "region": [1.891029,0.595677,1.891166,0.595783,0.000000,8.797547]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1364992.b3dm"}}}