{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948730,-0.316088,0.000000,0.000000,0.176397,-0.529453,0.829797,0.000000,-0.261738,0.785601,0.560646,0.000000,-1671161.271164,5015950.237256,3555683.916023,1],    "boundingVolume": {    "region": [1.892351,0.595055,1.892447,0.595278,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179099.b3dm"}}}