{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949238,-0.314558,0.000000,0.000000,0.174859,-0.527669,0.831258,0.000000,-0.260934,0.787418,0.558467,0.000000,-1666013.673907,5027513.541013,3541834.747395,1],    "boundingVolume": {    "region": [1.890740,0.592442,1.890835,0.592632,0.000000,7.695066]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/11/15_1321644.b3dm"}}}