{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950049,-0.312101,0.000000,0.000000,0.174047,-0.529807,0.830067,0.000000,-0.258522,0.786951,0.560245,0.000000,-1650622.177267,5024565.181674,3553130.784347,1],    "boundingVolume": {    "region": [1.888118,0.594616,1.888282,0.594747,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459337.b3dm"}}}