{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949312,-0.314335,0.000000,0.000000,0.175732,-0.530722,0.829128,0.000000,-0.260075,0.785443,0.561641,0.000000,-1660545.872114,5014960.335462,3562005.318980,1],    "boundingVolume": {    "region": [1.890503,0.596327,1.890602,0.596409,0.000000,7.287429]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1338161.b3dm"}}}