{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944311,-0.329055,0.000000,0.000000,0.183966,-0.527938,0.829119,0.000000,-0.272251,0.781296,0.561655,0.000000,-1738289.193576,4988482.934069,3562092.943898,1],    "boundingVolume": {    "region": [1.906042,0.596347,1.906156,0.596422,0.000000,8.810633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_191873.b3dm"}}}