{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xde222aa3bed2aded3070a69d9cf8d7c34b4935d9384dbe25e37bd5bdfc6af74b",
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}