{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb5b7bbc0d41c1010025020cb2304ac1375a8f23ff425fcc8c8277c3a5612cc54",
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}