{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd793c3a0b315bd2cbc7a8c0bc5cd5dad87fa22ba5afc9d00813b69c02f9beffa",
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}