{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcf941abeb4c60bf41f92870ee7e7fc650b94de7249432aee911e8b9adbc54ef3",
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}