{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949649,-0.313317,0.000000,0.000000,0.174849,-0.529959,0.829802,0.000000,-0.259445,0.786366,0.560640,0.000000,-1656519.395208,5020833.715782,3555643.278917,1],    "boundingVolume": {    "region": [1.889399,0.595026,1.889561,0.595291,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357044.b3dm"}}}