{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949629,-0.313376,0.000000,0.000000,0.174812,-0.529737,0.829951,0.000000,-0.259541,0.786493,0.560418,0.000000,-1657130.385239,5021639.516227,3554229.876706,1],    "boundingVolume": {    "region": [1.889461,0.594757,1.889623,0.595023,0.000000,8.789707]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1372712.b3dm"}}}