{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949073,-0.315055,0.000000,0.000000,0.176062,-0.530371,0.829282,0.000000,-0.260720,0.785393,0.561412,0.000000,-1664662.685178,5014635.958261,3560549.938506,1],    "boundingVolume": {    "region": [1.891242,0.596038,1.891380,0.596144,0.000000,9.350174]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/10_1373050.b3dm"}}}