{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898110,-0.439771,0.000000,0.000000,0.284303,-0.580609,0.762932,0.000000,-0.334571,0.683268,0.649004,0.000000,-2136954.009478,4364136.985757,4117536.324514,1],    "boundingVolume": {    "region": [2.026074,0.706164,2.026206,0.706386,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821328.b3dm"}}}