{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898448,-0.439081,0.000000,0.000000,0.283963,-0.581045,0.762727,0.000000,-0.333955,0.683340,0.649246,0.000000,-2133025.040584,4364599.222084,4119072.949176,1],    "boundingVolume": {    "region": [2.025321,0.706555,2.025422,0.706630,0.000000,6.442752]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819254.b3dm"}}}