{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948747,-0.316037,0.000000,0.000000,0.176363,-0.529443,0.829811,0.000000,-0.261700,0.785628,0.560627,0.000000,-1670918.320130,5016121.172240,3555557.802167,1],    "boundingVolume": {    "region": [1.892298,0.595031,1.892394,0.595254,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178809.b3dm"}}}