{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894959,-0.446148,0.000000,0.000000,0.284288,-0.570274,0.770693,0.000000,-0.342903,0.687853,0.639747,0.000000,-2190084.629086,4393241.878620,4058641.382673,1],    "boundingVolume": {    "region": [2.033186,0.694107,2.033320,0.694231,0.000000,50.554441]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_1165772.b3dm"}}}