{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943929,-0.330149,0.000000,0.000000,0.184330,-0.527019,0.829622,0.000000,-0.273323,0.781459,0.560907,0.000000,-1745132.763241,4989508.917972,3557338.606431,1],    "boundingVolume": {    "region": [1.907210,0.595423,1.907305,0.595538,0.000000,8.816635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1311221.b3dm"}}}