{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948900,-0.315577,0.000000,0.000000,0.176041,-0.529333,0.829950,0.000000,-0.261364,0.785887,0.560420,0.000000,-1668769.400458,5017774.510548,3554242.759477,1],    "boundingVolume": {    "region": [1.891814,0.594797,1.891909,0.594988,0.000000,17.006980]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/28_1076728.b3dm"}}}