{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5a979d6b4eb9215101e1d33c5b16010952b805b31cd6c2da7410d9b044e34341",
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}