{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0926395a2fe00a434621c61c4390522917e42d2691ae12cc145462f6cc4f2b1f",
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}