{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe89aaad83965485ba4e0bdd4aef062bcb8e8c50bf34976d438e248af9c51dad7",
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}