{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852856,-0.522147,0.000000,0.000000,0.269427,-0.440072,0.856590,0.000000,-0.446462,0.729236,0.518543,0.000000,-2850163.818634,4655356.446824,3288158.572957,1],    "boundingVolume": {    "region": [2.120116,0.545104,2.120208,0.545188,0.000000,125.853833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_9231.b3dm"}}}