{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949037,-0.315165,0.000000,0.000000,0.176104,-0.530290,0.829325,0.000000,-0.260824,0.785403,0.561349,0.000000,-1665328.573179,5014702.209226,3560147.932638,1],    "boundingVolume": {    "region": [1.891358,0.595961,1.891495,0.596068,0.000000,13.419225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1068724.b3dm"}}}