{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949220,-0.314613,0.000000,0.000000,0.116537,-0.351604,0.928867,0.000000,-0.291963,0.880882,0.372564,0.000000,-1863042.893598,5621000.797424,2361455.102262,1],    "boundingVolume": {    "region": [1.890776,0.381721,1.890914,0.381820,0.000000,29.734073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68422.b3dm"}}}