{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe0776a9490736b94bfcbb150e7ac741a696a992614b62e7fc01c5a377f168470",
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}