{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949423,-0.314000,0.000000,0.000000,0.175546,-0.530789,0.829124,0.000000,-0.259796,0.785531,0.561647,0.000000,-1658768.288785,5015520.034469,3562045.238820,1],    "boundingVolume": {    "region": [1.890150,0.596335,1.890249,0.596416,0.000000,8.751509]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1338110.b3dm"}}}