{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe0e948e6f70fc80bb23e6e813392642ab1183ced15d5da5587366790acccf037",
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}