{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x33fafe3bfc7457530ea7b8000894435372946a7a69970fa8f580da3b57481b44",
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}