{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948492,-0.316800,0.000000,0.000000,0.115850,-0.346852,0.930738,0.000000,-0.294591,0.882001,0.367820,0.000000,-1879793.704093,5628069.302899,2331354.229915,1],    "boundingVolume": {    "region": [1.893102,0.376636,1.893197,0.376690,0.000000,74.464920]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/12_30469.b3dm"}}}