{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950101,-0.311942,0.000000,0.000000,0.115598,-0.352085,0.928802,0.000000,-0.289464,0.881638,0.372728,0.000000,-1847097.432470,5625822.580724,2362491.766945,1],    "boundingVolume": {    "region": [1.887969,0.381895,1.888096,0.381998,0.000000,8.199185]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/20_63349.b3dm"}}}