{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x882543fc32c5e36d99d8c7373ef0d1923de3331a2d1afbae9a1f80c47b9a4f18",
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}