{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897669,-0.440669,0.000000,0.000000,0.285465,-0.581509,0.761812,0.000000,-0.334759,0.681923,0.650321,0.000000,-2138165.083021,4355566.826018,4125917.055470,1],    "boundingVolume": {    "region": [2.027065,0.707894,2.027217,0.708121,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796484.b3dm"}}}