{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949486,-0.313808,0.000000,0.000000,0.175446,-0.530846,0.829109,0.000000,-0.259633,0.785569,0.561669,0.000000,-1657727.453159,5015764.983334,3562183.936722,1],    "boundingVolume": {    "region": [1.889948,0.596361,1.890047,0.596443,0.000000,10.479850]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1337929.b3dm"}}}