{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950917,-0.309445,0.000000,0.000000,0.172830,-0.531101,0.829495,0.000000,-0.256144,0.787122,0.561097,0.000000,-1635442.896594,5025670.749361,3558545.731752,1],    "boundingVolume": {    "region": [1.885333,0.595600,1.885479,0.595820,0.000000,8.741045]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1421745.b3dm"}}}