{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950023,-0.312181,0.000000,0.000000,0.174074,-0.529740,0.830104,0.000000,-0.258599,0.786965,0.560189,0.000000,-1651117.723850,5024652.081308,3552780.000307,1],    "boundingVolume": {    "region": [1.888202,0.594549,1.888366,0.594680,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460532.b3dm"}}}