{
"manageEntity": {
"action": "Save",
"entityId": "4281",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0xdf849a7765a95e19ae13f89b7357bb2fe00982178e01ba66113421688ab992cb",
"signature": "0x79c8a259505d84da474659d6101a62fc8340b361917ee3470de28a550cc7203618324bae92cbb73df29f513e80df31877761d5cc59fcbd90a9c8fa30ad6a69601c",
"signer": "0xfeed2e3af8F548DD8eAF233303cb6AB4Ae9D2c20",
"userId": "327590204"
}
}