{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ea0880a0e1cc6a4d74273dc0ebd98d454de248277cd4903cf5d19937e74998c",
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}