{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950342,-0.311209,0.000000,0.000000,0.174184,-0.531907,0.828695,0.000000,-0.257353,0.785880,0.562283,0.000000,-1643169.849009,5017764.072983,3566084.999057,1],    "boundingVolume": {    "region": [1.887212,0.597094,1.887310,0.597193,0.000000,8.793415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1325851.b3dm"}}}