{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950698,-0.310120,0.000000,0.000000,0.173425,-0.531650,0.829019,0.000000,-0.256553,0.786485,0.561803,0.000000,-1638061.885351,5021615.878728,3563032.354743,1],    "boundingVolume": {    "region": [1.886033,0.596479,1.886198,0.596648,0.000000,8.695925]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1391107.b3dm"}}}