{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950150,-0.311792,0.000000,0.000000,0.174228,-0.530938,0.829306,0.000000,-0.258027,0.786307,0.561376,0.000000,-1647469.450535,5020473.935634,3560321.383483,1],    "boundingVolume": {    "region": [1.887806,0.595943,1.887944,0.596152,0.000000,8.798324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1430997.b3dm"}}}