{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x156049cdd96cc0f9ef37d8d24dd45cadb7d4b6704fc0c13076d7ac8f35eafbe3",
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}