{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898309,-0.439365,0.000000,0.000000,0.284383,-0.581440,0.762269,0.000000,-0.333969,0.682821,0.649785,0.000000,-2133117.342027,4361294.263232,4122501.241621,1],    "boundingVolume": {    "region": [2.025634,0.707265,2.025741,0.707337,0.000000,6.471360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/5_1805235.b3dm"}}}