{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949395,-0.314086,0.000000,0.000000,0.175365,-0.530080,0.829616,0.000000,-0.260023,0.785978,0.560917,0.000000,-1660210.803377,5018360.389514,3557400.970321,1],    "boundingVolume": {    "region": [1.890209,0.595360,1.890371,0.595625,0.000000,8.742126]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367462.b3dm"}}}