{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948677,-0.316246,0.000000,0.000000,0.176588,-0.529730,0.829580,0.000000,-0.261800,0.785349,0.560970,0.000000,-1671559.928854,5014349.838122,3557739.373848,1],    "boundingVolume": {    "region": [1.892519,0.595445,1.892615,0.595668,0.000000,6.897070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1181659.b3dm"}}}