{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8f8a54886a028028fa197530ea49d4f14c56cd4f86d0894f782442dc57747f2e",
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}