{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfbf7dc9db04eb712c6d7c2043d6116de525f6a2a5d2ece0d7d07aacb630b64c9",
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}