{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948847,-0.315735,0.000000,0.000000,0.176511,-0.530451,0.829135,0.000000,-0.261236,0.785065,0.561630,0.000000,-1667960.349373,5012549.304593,3561935.254598,1],    "boundingVolume": {    "region": [1.891959,0.596301,1.892097,0.596408,0.000000,8.745695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1111921.b3dm"}}}