{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeedda1a705b430b2fdfe6e8a594ca963b5c8370aa93bdbf7e8f343e2e46f658a",
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}