{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2fe33760450cc7daa04e2b7e2fbfcb216bbc614b5a63cc04874a612a6baf0185",
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    "signer": "0x108Ca5908383C019023f94e290cb0959DC3E4D81",
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  }
}