{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc784001578f81e22b9c1a9fa498c75d552e1d81b33497e22dea57e06774ed808",
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}