{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949723,-0.313090,0.000000,0.000000,0.173520,-0.526353,0.832372,0.000000,-0.260068,0.788887,0.556796,0.000000,-1660472.756625,5036857.452097,3531216.607683,1],    "boundingVolume": {    "region": [1.889182,0.590462,1.889301,0.590586,0.000000,7.006763]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/16_1322730.b3dm"}}}