{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa14fb0a9795949c1c70e6297ac249b1ffd7df590dd88bbcc58df694b6649c99f",
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}