{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x42a73780c16e3ee795fb41d5e4b12f3cc2788aa796bb3f26e526821f96a4ca13",
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    "signer": "0x6A63565fACB2f0784A88d43920Fd58c10d584dCB",
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  }
}