{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949991,-0.312278,0.000000,0.000000,0.174474,-0.530773,0.829360,0.000000,-0.258446,0.786227,0.561296,0.000000,-1650145.533613,5019958.091794,3559812.826639,1],    "boundingVolume": {    "region": [1.888301,0.595848,1.888472,0.596053,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434226.b3dm"}}}