{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4129ab39a2799331b6513e5d4e75df575e318ba21851cf0e96ed22d056259fc8",
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}