{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949551,-0.313614,0.000000,0.000000,0.114473,-0.346599,0.931002,0.000000,-0.291713,0.883238,0.367143,0.000000,-1861422.422152,5635957.055057,2327064.739891,1],    "boundingVolume": {    "region": [1.889709,0.375811,1.889877,0.376061,0.000000,35.088794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_32488.b3dm"}}}