{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950088,-0.311982,0.000000,0.000000,0.174640,-0.531835,0.828645,0.000000,-0.257977,0.785623,0.562357,0.000000,-1647154.143136,5016121.126386,3566555.080533,1],    "boundingVolume": {    "region": [1.888022,0.597191,1.888128,0.597275,0.000000,8.767926]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7.b3dm"}}}