{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x794e5e7c135f4d121d7680326b6d8aa16fcb699bac5b262a4ab4c99609a8cce9",
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}