{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6fc66c6374c5e90b696b13ffae97cd234c4e5af92d60aa2dd95aaf1f48c3b4dc",
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}