{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949142,-0.314849,0.000000,0.000000,0.116068,-0.349900,0.929569,0.000000,-0.292405,0.881483,0.370792,0.000000,-1865857.288138,5624809.408707,2350213.110616,1],    "boundingVolume": {    "region": [1.891039,0.379804,1.891148,0.379919,0.000000,70.700160]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/20_77266.b3dm"}}}