{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950048,-0.312103,0.000000,0.000000,0.174516,-0.531230,0.829059,0.000000,-0.258207,0.785986,0.561743,0.000000,-1648620.022989,5018428.796279,3562655.591643,1],    "boundingVolume": {    "region": [1.888133,0.596387,1.888272,0.596596,0.000000,8.808884]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1398223.b3dm"}}}