{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950112,-0.311908,0.000000,0.000000,0.172866,-0.526571,0.832370,0.000000,-0.259085,0.789208,0.556800,0.000000,-1654199.044012,5038906.545734,3531237.580019,1],    "boundingVolume": {    "region": [1.887938,0.590467,1.888056,0.590589,0.000000,8.081708]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/16.b3dm"}}}