{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc342f377e9f4b52e1636ab3d9c9d2c627cd8abc375d86b7bbbc445422054835f",
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}