{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944347,-0.328950,0.000000,0.000000,0.184074,-0.528438,0.828776,0.000000,-0.272050,0.781001,0.562162,0.000000,-1737012.250272,4986608.195734,3565317.614469,1],    "boundingVolume": {    "region": [1.905930,0.596960,1.906045,0.597035,0.000000,8.765044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/15_194239.b3dm"}}}