{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949484,-0.313816,0.000000,0.000000,0.175451,-0.530847,0.829107,0.000000,-0.259639,0.785565,0.561672,0.000000,-1657762.768222,5015741.807682,3562200.026174,1],    "boundingVolume": {    "region": [1.889956,0.596364,1.890055,0.596446,0.000000,10.479850]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1337912.b3dm"}}}