{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ee2398ae1ce37a629cc1fc823cd201b558e6eb604acb8f80fccb83a804d0029",
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    "signer": "0x6aCE4358e2d2fb9C1Bec95a24881B4D8c93125d0",
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  }
}