{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2d7134c548e17850dbfb5aba6f8b0d77fbe6f30956a0572982355d4098c14575",
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}