{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949101,-0.314970,0.000000,0.000000,0.176145,-0.530779,0.829003,0.000000,-0.260561,0.785149,0.561826,0.000000,-1663652.126196,5013089.311033,3563181.490569,1],    "boundingVolume": {    "region": [1.891171,0.596581,1.891272,0.596602,0.000000,7.709373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/9_1337555.b3dm"}}}