{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950513,-0.310684,0.000000,0.000000,0.173880,-0.531971,0.828717,0.000000,-0.256926,0.786044,0.562250,0.000000,-1640444.555340,5018806.881948,3565873.660973,1],    "boundingVolume": {    "region": [1.886660,0.597054,1.886758,0.597153,0.000000,8.666023]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1383952.b3dm"}}}