{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa4012fd4df8d770e5b35657a46352afd6622c45e3b3fe6cba64e04238b505876",
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}