{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898311,-0.439360,0.000000,0.000000,0.284388,-0.581457,0.762254,0.000000,-0.333959,0.682810,0.649802,0.000000,-2133054.383374,4361222.643268,4122608.859188,1],    "boundingVolume": {    "region": [2.025629,0.707287,2.025735,0.707360,0.000000,11.006872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/6_1805399.b3dm"}}}