{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5a86b9db6b9224fb68a14bb9ac82743b9365f8aeeb1b7727d226619c9a1d1faa",
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}