{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949990,-0.312281,0.000000,0.000000,0.174468,-0.530748,0.829378,0.000000,-0.258454,0.786242,0.561270,0.000000,-1650193.562436,5020058.514498,3559650.041002,1],    "boundingVolume": {    "region": [1.888304,0.595817,1.888475,0.596023,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433991.b3dm"}}}