{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950510,-0.310695,0.000000,0.000000,0.173886,-0.531971,0.828716,0.000000,-0.256934,0.786039,0.562252,0.000000,-1640497.734154,5018780.317885,3565886.497285,1],    "boundingVolume": {    "region": [1.886671,0.597057,1.886769,0.597155,0.000000,8.666023]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1383956.b3dm"}}}