{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949344,-0.314239,0.000000,0.000000,0.175596,-0.530492,0.829303,0.000000,-0.260051,0.785637,0.561381,0.000000,-1660391.812559,5016193.211050,3560351.908982,1],    "boundingVolume": {    "region": [1.890382,0.596000,1.890520,0.596107,0.000000,8.794880]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/10_1359840.b3dm"}}}