{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949217,-0.314622,0.000000,0.000000,0.175954,-0.530855,0.828995,0.000000,-0.260270,0.785237,0.561838,0.000000,-1661794.108464,5013650.503968,3563258.402542,1],    "boundingVolume": {    "region": [1.890804,0.596595,1.890905,0.596617,0.000000,11.086840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_1419818.b3dm"}}}