{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949185,-0.314718,0.000000,0.000000,0.116014,-0.349897,0.929577,0.000000,-0.292286,0.881531,0.370772,0.000000,-1865100.583262,5625113.637828,2350086.457389,1],    "boundingVolume": {    "region": [1.890902,0.379783,1.891010,0.379898,0.000000,47.093418]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/20_76960.b3dm"}}}