{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951196,-0.308589,0.000000,0.000000,0.115694,-0.356617,0.927060,0.000000,-0.285808,0.880978,0.377083,0.000000,-1823793.321085,5621674.728117,2390121.787937,1],    "boundingVolume": {    "region": [1.884423,0.386593,1.884587,0.386696,0.000000,51.767940]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_17945.b3dm"}}}