{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950062,-0.312061,0.000000,0.000000,0.173999,-0.529737,0.830122,0.000000,-0.258506,0.787015,0.560163,0.000000,-1650519.558255,5024968.481085,3552611.577967,1],    "boundingVolume": {    "region": [1.888076,0.594517,1.888240,0.594648,0.000000,11.823777]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458493.b3dm"}}}