{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950429,-0.310943,0.000000,0.000000,0.173372,-0.529928,0.830131,0.000000,-0.257583,0.787327,0.560149,0.000000,-1644625.904289,5026963.062321,3552523.650505,1],    "boundingVolume": {    "region": [1.886932,0.594507,1.887031,0.594624,0.000000,8.585346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/2_1375759.b3dm"}}}