{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314973,0.000000,0.000000,0.116116,-0.349889,0.929567,0.000000,-0.292520,0.881443,0.370798,0.000000,-1866592.790055,5624551.069994,2350247.116618,1],    "boundingVolume": {    "region": [1.891171,0.379810,1.891279,0.379925,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_77340.b3dm"}}}