{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949490,-0.313796,0.000000,0.000000,0.114766,-0.347260,0.930720,0.000000,-0.291793,0.882911,0.367865,0.000000,-1861936.176366,5633881.376582,2331644.522746,1],    "boundingVolume": {    "region": [1.889901,0.376587,1.890069,0.376837,0.000000,9.325164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_22080.b3dm"}}}