{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7dd7b519efde8f93309a9dd4471ab35ca59e2a12c268f28f507d1c33981c89aa",
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}