{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852929,-0.522027,0.000000,0.000000,0.269325,-0.440045,0.856635,0.000000,-0.446384,0.729337,0.518467,0.000000,-2849662.308375,4656005.353993,3287677.664490,1],    "boundingVolume": {    "region": [2.119976,0.545016,2.120068,0.545100,0.000000,140.915033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_5423.b3dm"}}}