{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950193,-0.311661,0.000000,0.000000,0.174434,-0.531815,0.828701,0.000000,-0.257728,0.785764,0.562274,0.000000,-1645567.897789,5017019.561813,3566027.125146,1],    "boundingVolume": {    "region": [1.887661,0.597040,1.887813,0.597225,0.000000,8.457595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_1331840.b3dm"}}}