{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x962ac9da3188ac8dff95c2a4ff6727c0c81b99084e287fe1158093365ad5bdb4",
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}