{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950359,-0.311156,0.000000,0.000000,0.173851,-0.530991,0.829352,0.000000,-0.257515,0.786524,0.561308,0.000000,-1644197.879158,5021854.189012,3559890.029232,1],    "boundingVolume": {    "region": [1.887155,0.595907,1.887255,0.596024,0.000000,8.808885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1430236.b3dm"}}}