{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950391,-0.311057,0.000000,0.000000,0.173969,-0.531538,0.828977,0.000000,-0.257315,0.786191,0.561865,0.000000,-1642927.340934,5019741.458295,3563430.740869,1],    "boundingVolume": {    "region": [1.887052,0.596590,1.887150,0.596688,0.000000,8.497366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1328584.b3dm"}}}