{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942100,-0.335333,0.000000,0.000000,0.187731,-0.527420,0.828604,0.000000,-0.277272,0.778979,0.562417,0.000000,-1770351.455221,4973700.758781,3566937.227267,1],    "boundingVolume": {    "region": [1.912706,0.597288,1.912804,0.597324,0.000000,8.588381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/9.b3dm"}}}