{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950759,-0.309932,0.000000,0.000000,0.173372,-0.531842,0.828907,0.000000,-0.256363,0.786428,0.561969,0.000000,-1636847.030232,5021257.537040,3564088.404567,1],    "boundingVolume": {    "region": [1.885835,0.596679,1.886000,0.596849,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387437.b3dm"}}}