{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949063,-0.315087,0.000000,0.000000,0.115829,-0.348884,0.929981,0.000000,-0.292757,0.881805,0.369748,0.000000,-1868100.199720,5626846.309244,2343590.773881,1],    "boundingVolume": {    "region": [1.891292,0.378703,1.891397,0.378773,0.000000,63.026825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/18_10256.b3dm"}}}