{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x931646aec0abbdb6e650f61773c3aea836887296497a0411e6cd7f0cb67706b4",
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}