{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4a9e8acd9b99ce761e1bf55c8337c2053c2e33bb97bf3df27c072af2b49e09b2",
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}