{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948393,-0.317096,0.000000,0.000000,0.116332,-0.347933,0.930274,0.000000,-0.294718,0.881464,0.369003,0.000000,-1880609.544322,5624659.807401,2338861.792945,1],    "boundingVolume": {    "region": [1.893410,0.377897,1.893515,0.377975,0.000000,56.137203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_17785.b3dm"}}}