{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949645,-0.313329,0.000000,0.000000,0.116080,-0.351820,0.928842,0.000000,-0.290763,0.881253,0.372626,0.000000,-1855389.379555,5623365.849915,2361847.426808,1],    "boundingVolume": {    "region": [1.889423,0.381787,1.889562,0.381887,0.000000,18.316293]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/19_64165.b3dm"}}}