{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfc3cb2f8fe619f66e99b32181a5fe75a1f96b05f9e0c233a626a8252dde1eca1",
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}