{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950199,-0.311644,0.000000,0.000000,0.174228,-0.531217,0.829128,0.000000,-0.257849,0.786177,0.561641,0.000000,-1646332.285817,5019644.207757,3562005.568819,1],    "boundingVolume": {    "region": [1.887650,0.596263,1.887788,0.596472,0.000000,7.860718]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1331469.b3dm"}}}