{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310461,0.000000,0.000000,0.173618,-0.531595,0.829013,0.000000,-0.256833,0.786388,0.561811,0.000000,-1639851.977562,5020994.698080,3563083.999558,1],    "boundingVolume": {    "region": [1.886425,0.596524,1.886523,0.596622,0.000000,13.773167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1391394.b3dm"}}}