{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948878,-0.315644,0.000000,0.000000,0.176469,-0.530495,0.829117,0.000000,-0.261154,0.785073,0.561658,0.000000,-1667437.823685,5012596.868842,3562111.771911,1],    "boundingVolume": {    "region": [1.891863,0.596335,1.892000,0.596441,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112518.b3dm"}}}