{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x76d296adc5ef432989c093f86111a7af1886939dcd4cda1afe68c562ff730fe3",
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    "signer": "0xb87AAa3C0903A341ff13114a9C37f3C51d0B4615",
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  }
}