{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949648,-0.313319,0.000000,0.000000,0.174851,-0.529962,0.829800,0.000000,-0.259446,0.786363,0.560643,0.000000,-1656526.515969,5020816.801483,3555663.707929,1],    "boundingVolume": {    "region": [1.889401,0.595029,1.889563,0.595295,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1369814.b3dm"}}}