{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949071,-0.315062,0.000000,0.000000,0.175862,-0.529754,0.829719,0.000000,-0.260864,0.785808,0.560764,0.000000,-1665578.720749,5017274.707839,3556429.554848,1],    "boundingVolume": {    "region": [1.891250,0.595255,1.891387,0.595361,0.000000,8.805649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1374895.b3dm"}}}