{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949748,-0.313015,0.000000,0.000000,0.115011,-0.348967,0.930051,0.000000,-0.290855,0.882509,0.369570,0.000000,-1855960.492994,5631336.381529,2342458.627382,1],    "boundingVolume": {    "region": [1.889078,0.378421,1.889247,0.378671,0.000000,7.723070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/14_8947.b3dm"}}}