{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x38ee959596584182bf3b3e3fbe0252006f0b997b4057e9e62e9a3bf1270a00bc",
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}