{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb291bdd1c048dad271884a062625fae495312b8fbf7177a912acc9da72dbbfb3",
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    "userId": "673773101"
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}