{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949233,-0.314573,0.000000,0.000000,0.115173,-0.347540,0.930565,0.000000,-0.292465,0.882524,0.368261,0.000000,-1866231.392088,5631414.367035,2334152.017365,1],    "boundingVolume": {    "region": [1.890741,0.377089,1.890865,0.377186,0.000000,52.466495]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_22869.b3dm"}}}