{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949208,-0.314650,0.000000,0.000000,0.116546,-0.351585,0.928873,0.000000,-0.291999,0.880877,0.372550,0.000000,-1863273.983803,5620963.498476,2361362.182235,1],    "boundingVolume": {    "region": [1.890815,0.381705,1.890953,0.381805,0.000000,19.488317]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68314.b3dm"}}}