{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950123,-0.311875,0.000000,0.000000,0.174209,-0.530726,0.829446,0.000000,-0.258140,0.786418,0.561169,0.000000,-1648188.140766,5021179.197146,3559002.819730,1],    "boundingVolume": {    "region": [1.887913,0.595739,1.888012,0.595855,0.000000,8.813706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1429043.b3dm"}}}