{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942837,-0.333253,0.000000,0.000000,0.186899,-0.528773,0.827930,0.000000,-0.275325,0.778948,0.563415,0.000000,-1757931.176510,4973523.502358,3573278.813624,1],    "boundingVolume": {    "region": [1.910486,0.598482,1.910611,0.598544,0.000000,7.954592]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/29_1249720.b3dm"}}}