{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7eae2ce4fa3b6bbb19faeeb0de372245426a22ea910d2f00c283fcb760a30c45",
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    "signer": "0x8b262faFdaf83161f59cb08401a799Eb5975B8C8",
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  }
}