{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894816,-0.446435,0.000000,0.000000,0.284403,-0.570045,0.770820,0.000000,-0.343181,0.687857,0.639594,0.000000,-2191856.632084,4393263.291940,4057668.068238,1],    "boundingVolume": {    "region": [2.033507,0.693908,2.033641,0.694032,0.000000,48.259161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_982831.b3dm"}}}