{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950820,-0.309743,0.000000,0.000000,0.173138,-0.531481,0.829187,0.000000,-0.256294,0.786747,0.561553,0.000000,-1636407.978978,5023285.661007,3561448.926758,1],    "boundingVolume": {    "region": [1.885647,0.596152,1.885792,0.596372,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338911.b3dm"}}}