{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6a99572a81a0d1b59f8466fdd654bf41e3719d3f8d61f480be1bd1e1c7324d4f",
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}