{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x89620cc1b3bb8c43bbb18b88694c2804d622e33c9ae9afa1303dbc5b67f662ac",
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}