{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb36d55e6887041270967ba470407d441b459eb4a0bdcf590ac0d6af6ba0c4d3e",
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}