{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2f45483afc4d0e3b13c5bd487b96f8bad58eee27cf63ec28e963f608cea77454",
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}