{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896513,-0.443017,0.000000,0.000000,0.283452,-0.573610,0.768523,0.000000,-0.339530,0.687091,0.642359,0.000000,-2168564.729037,4388427.449675,4075258.930107,1],    "boundingVolume": {    "region": [2.029673,0.697498,2.029842,0.697647,0.000000,54.447447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_508682.b3dm"}}}