{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3b0430890f921557384855f9b0ba9f8f0d95d753bdfafd31f3c18f528b872192",
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}