{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x85c57c40f862fdc237706d380bba4ee086db424a0e640cef69fdf2aca560e2be",
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    "signer": "0x26809A6de3E4f91f098beEBF76663Ae612F335D9",
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  }
}