{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950048,-0.312105,0.000000,0.000000,0.174033,-0.529757,0.830102,0.000000,-0.258536,0.786984,0.560192,0.000000,-1650715.286209,5024771.269817,3552798.313960,1],    "boundingVolume": {    "region": [1.888123,0.594552,1.888287,0.594684,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458703.b3dm"}}}