{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951025,-0.309114,0.000000,0.000000,0.171240,-0.526840,0.832537,0.000000,-0.256816,0.790125,0.556550,0.000000,-1639709.148596,5044759.275967,3529649.533036,1],    "boundingVolume": {    "region": [1.884972,0.590166,1.885142,0.590289,0.000000,7.947714]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/15_1322974.b3dm"}}}