{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951050,-0.309037,0.000000,0.000000,0.114103,-0.351147,0.929342,0.000000,-0.286937,0.883037,0.371366,0.000000,-1830967.698398,5634732.847058,2353855.037760,1],    "boundingVolume": {    "region": [1.884885,0.380421,1.885068,0.380539,0.000000,4.754505]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/6_69550.b3dm"}}}