{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950466,-0.310829,0.000000,0.000000,0.114351,-0.349668,0.929869,0.000000,-0.288766,0.883001,0.370033,0.000000,-1842633.919294,5634481.800355,2345394.114498,1],    "boundingVolume": {    "region": [1.886787,0.379005,1.886936,0.379083,0.000000,15.694864]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/14_4020.b3dm"}}}