{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9158006bd515d41b897bf0f6884b465dfa9e45cc953f8a7483b02de0d86b7940",
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}