{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9f1a25e1a15ccd3b94ce2e004aa6ea1c3c0b00d47083b33770e69e12157988b2",
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}