{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5cc0055cb90d476b0e2c3c16ec6c0cd594dc000452880f75dbe1642db9df2004",
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}