{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949642,-0.313338,0.000000,0.000000,0.116084,-0.351818,0.928843,0.000000,-0.290772,0.881250,0.372626,0.000000,-1855447.843392,5623347.847969,2361844.380448,1],    "boundingVolume": {    "region": [1.889433,0.381787,1.889572,0.381887,0.000000,18.316293]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/19_64161.b3dm"}}}