{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950076,-0.312018,0.000000,0.000000,0.174377,-0.530969,0.829255,0.000000,-0.258198,0.786197,0.561452,0.000000,-1648560.092523,5019770.949977,3560804.477721,1],    "boundingVolume": {    "region": [1.888043,0.596035,1.888181,0.596244,0.000000,8.771536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1431536.b3dm"}}}