{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949287,-0.314410,0.000000,0.000000,0.175766,-0.530684,0.829144,0.000000,-0.260142,0.785438,0.561617,0.000000,-1660978.402670,5014927.652694,3561850.707048,1],    "boundingVolume": {    "region": [1.890582,0.596298,1.890681,0.596379,0.000000,8.812643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1416166.b3dm"}}}