{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896305,-0.443439,0.000000,0.000000,0.283857,-0.573749,0.768269,0.000000,-0.339740,0.686703,0.642663,0.000000,-2169912.968301,4385953.772176,4077190.808248,1],    "boundingVolume": {    "region": [2.030162,0.697909,2.030295,0.698028,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_543619.b3dm"}}}