{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949643,-0.313334,0.000000,0.000000,0.116010,-0.351599,0.928935,0.000000,-0.290797,0.881340,0.372394,0.000000,-1855605.648417,5623917.249663,2360374.088017,1],    "boundingVolume": {    "region": [1.889429,0.381537,1.889567,0.381637,0.000000,6.338779]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/16_67771.b3dm"}}}