{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x25ef8f5b0c6e7ba8e2c8bfc6f92efbba6dc07c236354e094eb7edc94ab280837",
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}