{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950839,-0.309685,0.000000,0.000000,0.172990,-0.531137,0.829438,0.000000,-0.256325,0.787003,0.561180,0.000000,-1636599.923426,5024914.476334,3559078.157349,1],    "boundingVolume": {    "region": [1.885586,0.595701,1.885731,0.595921,0.000000,8.775253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1340095.b3dm"}}}