{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xad429c9a128dfa392ada97eaec30dafa2c380820be8af4383f1f9b67f9512fe6",
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}