{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950681,-0.310170,0.000000,0.000000,0.173312,-0.531207,0.829326,0.000000,-0.256691,0.786765,0.561347,0.000000,-1638936.768067,5023398.211128,3560135.961352,1],    "boundingVolume": {    "region": [1.886110,0.595955,1.886226,0.596070,0.000000,7.604098]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1342657.b3dm"}}}