{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944000,-0.329945,0.000000,0.000000,0.184474,-0.527796,0.829096,0.000000,-0.272980,0.781018,0.561688,0.000000,-1742945.623877,4986707.969211,3562301.449293,1],    "boundingVolume": {    "region": [1.906994,0.596367,1.907090,0.596482,0.000000,7.983799]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_132820.b3dm"}}}