{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949422,-0.314004,0.000000,0.000000,0.175386,-0.530296,0.829473,0.000000,-0.259910,0.785864,0.561128,0.000000,-1659494.526939,5017637.914200,3558744.974559,1],    "boundingVolume": {    "region": [1.890155,0.595707,1.890253,0.595789,0.000000,8.046471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1364578.b3dm"}}}