{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe7237c73f3fa18b062c44e1dbdb0c83fe75268649e37c0269391020f991be231",
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}