{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950552,-0.310567,0.000000,0.000000,0.173822,-0.532017,0.828700,0.000000,-0.256823,0.786059,0.562275,0.000000,-1639790.714212,5018903.029792,3566037.957953,1],    "boundingVolume": {    "region": [1.886537,0.597086,1.886635,0.597184,0.000000,8.657613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1384082.b3dm"}}}