{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952016,-0.306049,0.000000,0.000000,0.114571,-0.356393,0.927285,0.000000,-0.283526,0.881955,0.376522,0.000000,-1809224.672978,5627899.800353,2386565.605659,1],    "boundingVolume": {    "region": [1.881749,0.385988,1.881923,0.386090,0.000000,7.986025]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/13_34756.b3dm"}}}