{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949298,-0.314377,0.000000,0.000000,0.175631,-0.530339,0.829394,0.000000,-0.260194,0.785686,0.561246,0.000000,-1661302.389343,5016505.376282,3559492.999368,1],    "boundingVolume": {    "region": [1.890527,0.595837,1.890665,0.595943,0.000000,8.680512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1361836.b3dm"}}}