{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948889,-0.315610,0.000000,0.000000,0.176451,-0.530504,0.829114,0.000000,-0.261125,0.785080,0.561662,0.000000,-1667253.281844,5012641.011487,3562135.871635,1],    "boundingVolume": {    "region": [1.891827,0.596339,1.891964,0.596446,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1055975.b3dm"}}}