{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949083,-0.315025,0.000000,0.000000,0.115997,-0.349468,0.929740,0.000000,-0.292623,0.881593,0.370358,0.000000,-1867246.814022,5625505.708174,2347459.903495,1],    "boundingVolume": {    "region": [1.891225,0.379337,1.891333,0.379452,0.000000,73.784420]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6934.b3dm"}}}