{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbe5f05b55544ac0dcd9c8bc92fbf95d4a3c5d02f8e708775ee13938420e1b895",
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}