{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x785ceb15406b4112c5d7daebf0a42127d0588d72c3e529e4a14480cebc5094fb",
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}