{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314975,0.000000,0.000000,0.116151,-0.349993,0.929523,0.000000,-0.292508,0.881400,0.370907,0.000000,-1866514.787136,5624283.443920,2350944.721003,1],    "boundingVolume": {    "region": [1.891173,0.379928,1.891281,0.380044,0.000000,60.363870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_1508.b3dm"}}}