{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x25c74aa47adb7c5c449e31a2ed530d0248c822ec91ea5bc80f34d434c45a81ec",
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  }
}