{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949870,-0.312645,0.000000,0.000000,0.174772,-0.530988,0.829160,0.000000,-0.258687,0.785935,0.561593,0.000000,-1651683.894382,5018103.167998,3561701.440286,1],    "boundingVolume": {    "region": [1.888687,0.596207,1.888858,0.596413,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1441975.b3dm"}}}