{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xec7ad32ba85849c0c4fcf1b547c6d97dcfda7b96fb70ecd56d2bff5885919a11",
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}