{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949100,-0.314976,0.000000,0.000000,0.116103,-0.349846,0.929585,0.000000,-0.292528,0.881459,0.370752,0.000000,-1866643.060934,5624656.953319,2349955.736312,1],    "boundingVolume": {    "region": [1.891173,0.379761,1.891282,0.379876,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76592.b3dm"}}}