{
  "manageEntity": {
    "action": "Save",
    "entityId": "644027278",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9837e544e19d2440f543d70a826391eea5cfc0bac0bf8ba852fdc0379b4a90b9",
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}