{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x876d11d2491a569e12bd2aeeac19ea78081d2d2460cd3fabc09e2e2fde1a7cc5",
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    "signer": "0x2Bd29Dee908076e063DC46eCaed3cb58E0aac740",
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  }
}