{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948854,-0.315716,0.000000,0.000000,0.176511,-0.530486,0.829113,0.000000,-0.261213,0.785049,0.561663,0.000000,-1667814.122209,5012447.441448,3562145.647633,1],    "boundingVolume": {    "region": [1.891939,0.596341,1.892076,0.596448,0.000000,8.434679]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1055948.b3dm"}}}