{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950537,-0.310611,0.000000,0.000000,0.173630,-0.531344,0.829172,0.000000,-0.257007,0.786499,0.561576,0.000000,-1640961.149280,5021699.063301,3561590.458420,1],    "boundingVolume": {    "region": [1.886583,0.596240,1.886681,0.596338,0.000000,8.560220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1341676.b3dm"}}}