{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943065,-0.332610,0.000000,0.000000,0.186181,-0.527887,0.828657,0.000000,-0.275037,0.779826,0.562339,0.000000,-1756083.377630,4979112.122233,3566443.895302,1],    "boundingVolume": {    "region": [1.909803,0.597172,1.909928,0.597252,0.000000,8.215694]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1256306.b3dm"}}}