{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951306,-0.308249,0.000000,0.000000,0.113890,-0.351483,0.929241,0.000000,-0.286173,0.883177,0.371622,0.000000,-1826097.414377,5635631.312527,2355475.961633,1],    "boundingVolume": {    "region": [1.884070,0.380708,1.884226,0.380802,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42888.b3dm"}}}