{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeb56b6d96f007fcb57b29875b73a5950379e0f76f4d1ddb7e6e9a3398c9b9f0d",
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}