{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948566,-0.316580,0.000000,0.000000,0.115771,-0.346885,0.930735,0.000000,-0.294386,0.882066,0.367826,0.000000,-1878482.826867,5628490.305569,2331394.193815,1],    "boundingVolume": {    "region": [1.892870,0.376643,1.892965,0.376697,0.000000,17.018600]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/12_30509.b3dm"}}}