{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949915,-0.312509,0.000000,0.000000,0.174493,-0.530396,0.829598,0.000000,-0.258712,0.786391,0.560944,0.000000,-1651839.541184,5020999.663100,3557572.607472,1],    "boundingVolume": {    "region": [1.888547,0.595460,1.888711,0.595591,0.000000,8.381496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354642.b3dm"}}}