{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x24a534e6360dc7f9c1bde3e1ae8e469ba1c4a28391807ebd9490f74ae2d82553",
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}