{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951260,-0.308390,0.000000,0.000000,0.115724,-0.356961,0.926923,0.000000,-0.285582,0.880907,0.377420,0.000000,-1822351.206927,5621225.060985,2392263.956249,1],    "boundingVolume": {    "region": [1.884215,0.386957,1.884378,0.387060,0.000000,6.972227]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/17_19933.b3dm"}}}