{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4f4d6db4222f63f1406b7e5279782493a36762eb1bf52c519c0143eb1f192365",
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}