{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x37d8735a5d1f29ca86736840f6089aa7a8ed4c8b5a2aaa0d542890ad89c5bdd0",
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}