{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950758,-0.309935,0.000000,0.000000,0.173493,-0.532209,0.828646,0.000000,-0.256284,0.786177,0.562356,0.000000,-1636346.760412,5019661.523016,3566548.869834,1],    "boundingVolume": {    "region": [1.885838,0.597148,1.886004,0.597317,0.000000,8.734268]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1383576.b3dm"}}}