{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950364,-0.311141,0.000000,0.000000,0.173840,-0.530983,0.829359,0.000000,-0.257505,0.786534,0.561298,0.000000,-1644136.596659,5021920.653530,3559825.010130,1],    "boundingVolume": {    "region": [1.887140,0.595895,1.887240,0.596012,0.000000,8.808885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1430120.b3dm"}}}