{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950631,-0.310325,0.000000,0.000000,0.173614,-0.531838,0.828859,0.000000,-0.256673,0.786276,0.562040,0.000000,-1638827.534578,5020286.956755,3564542.464105,1],    "boundingVolume": {    "region": [1.886248,0.596766,1.886414,0.596935,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1396013.b3dm"}}}