{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.953008,-0.302945,0.000000,0.000000,0.110987,-0.349143,0.930474,0.000000,-0.281626,0.885945,0.368494,0.000000,-1797069.139046,5653249.354990,2335632.817522,1],    "boundingVolume": {    "region": [1.878574,0.377386,1.878581,0.377391,0.000000,0.965277]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/6.b3dm"}}}