{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896435,-0.443174,0.000000,0.000000,0.283566,-0.573586,0.768498,0.000000,-0.339640,0.687010,0.642388,0.000000,-2169267.102179,4387907.441458,4075443.801820,1],    "boundingVolume": {    "region": [2.029849,0.697536,2.030017,0.697685,0.000000,40.201601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_519817.b3dm"}}}