{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949142,-0.314848,0.000000,0.000000,0.176082,-0.530817,0.828993,0.000000,-0.260457,0.785173,0.561842,0.000000,-1662986.980117,5013238.960717,3563280.767870,1],    "boundingVolume": {    "region": [1.891043,0.596600,1.891144,0.596621,0.000000,10.092790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/9_1420218.b3dm"}}}