{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943102,-0.332504,0.000000,0.000000,0.186321,-0.528474,0.828251,0.000000,-0.274814,0.779472,0.562940,0.000000,-1754662.812507,4976858.043726,3570261.506054,1],    "boundingVolume": {    "region": [1.909691,0.597899,1.909816,0.597978,0.000000,8.789222]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1284858.b3dm"}}}