{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950518,-0.310669,0.000000,0.000000,0.173554,-0.531002,0.829407,0.000000,-0.257129,0.786708,0.561226,0.000000,-1641736.990867,5023030.765433,3559369.290930,1],    "boundingVolume": {    "region": [1.886635,0.595809,1.886751,0.595924,0.000000,8.812857]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1343144.b3dm"}}}