{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949209,-0.314646,0.000000,0.000000,0.175968,-0.530851,0.828995,0.000000,-0.260290,0.785231,0.561838,0.000000,-1661922.494609,5013609.899635,3563255.674989,1],    "boundingVolume": {    "region": [1.890829,0.596595,1.890931,0.596616,0.000000,11.086840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_1419718.b3dm"}}}