{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa43808d4f1581f35e9ba27f740d4c96ab0991d8a9d1bbff5b96a4913a750dd92",
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}