{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8d5f1b1fa8b0d60289c996cf7cd11af1454cb7da8bd61b8fdcb8f3b2c61b9736",
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}