{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949283,-0.314423,0.000000,0.000000,0.175773,-0.530682,0.829144,0.000000,-0.260153,0.785435,0.561616,0.000000,-1661045.782648,5014906.654093,3561848.862938,1],    "boundingVolume": {    "region": [1.890596,0.596297,1.890695,0.596379,0.000000,8.812643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1416134.b3dm"}}}