{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950050,-0.312097,0.000000,0.000000,0.174040,-0.529792,0.830078,0.000000,-0.258522,0.786963,0.560228,0.000000,-1650625.352648,5024638.396304,3553026.475386,1],    "boundingVolume": {    "region": [1.888114,0.594596,1.888278,0.594727,0.000000,10.242729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1377085.b3dm"}}}