{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948840,-0.315756,0.000000,0.000000,0.176520,-0.530439,0.829141,0.000000,-0.261255,0.785065,0.561621,0.000000,-1668080.093843,5012549.165063,3561879.749404,1],    "boundingVolume": {    "region": [1.891981,0.596291,1.892118,0.596397,0.000000,8.476042]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1056453.b3dm"}}}