{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950551,-0.310568,0.000000,0.000000,0.173686,-0.531598,0.828998,0.000000,-0.256917,0.786343,0.561834,0.000000,-1640388.003517,5020712.307517,3563234.172066,1],    "boundingVolume": {    "region": [1.886538,0.596552,1.886636,0.596651,0.000000,11.201166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1329194.b3dm"}}}