{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa4b28b4adaca1aab5f5489db2f4d0e8df74e7fdb7a9ed5e7fbbdda1c55a6b636",
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}