{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949179,-0.314737,0.000000,0.000000,0.175680,-0.529813,0.829720,0.000000,-0.260595,0.785898,0.560762,0.000000,-1663861.421065,5017851.224349,3556420.090904,1],    "boundingVolume": {    "region": [1.890907,0.595253,1.891044,0.595359,0.000000,8.479600]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1368392.b3dm"}}}