{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896380,-0.443286,0.000000,0.000000,0.283618,-0.573512,0.768534,0.000000,-0.339742,0.687000,0.642345,0.000000,-2169916.933486,4387843.809906,4075168.217018,1],    "boundingVolume": {    "region": [2.029973,0.697479,2.030142,0.697628,0.000000,90.957159]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_531043.b3dm"}}}