{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950035,-0.312144,0.000000,0.000000,0.174400,-0.530800,0.829359,0.000000,-0.258335,0.786262,0.561298,0.000000,-1649435.387369,5020180.974115,3559827.533816,1],    "boundingVolume": {    "region": [1.888160,0.595851,1.888331,0.596056,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1434256.b3dm"}}}