{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949496,-0.313781,0.000000,0.000000,0.175412,-0.530794,0.829149,0.000000,-0.259623,0.785615,0.561609,0.000000,-1657661.867252,5016059.845228,3561801.817245,1],    "boundingVolume": {    "region": [1.889952,0.596294,1.889985,0.596364,0.000000,8.491830]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13.b3dm"}}}