{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852931,-0.522023,0.000000,0.000000,0.269316,-0.440034,0.856644,0.000000,-0.446385,0.729347,0.518452,0.000000,-2849670.537629,4656067.406538,3287583.286967,1],    "boundingVolume": {    "region": [2.119971,0.544998,2.120063,0.545082,0.000000,90.474900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_5415.b3dm"}}}