{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949481,-0.313824,0.000000,0.000000,0.175449,-0.530823,0.829123,0.000000,-0.259651,0.785578,0.561648,0.000000,-1657840.326756,5015823.097510,3562050.475425,1],    "boundingVolume": {    "region": [1.889965,0.596336,1.890064,0.596417,0.000000,11.312517]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409679.b3dm"}}}