{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9902a6fdb613c0a68d32b3fee767ca30bf198d4c56acab1c0c95ecd292fe6fde",
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}