{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeeb0d0ba72f8c01cc7619ea76ee0112c9c2840939cb3000e78ef1835fceac18c",
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}