{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e3e9148e7f86aa7f624dca25150a0de388451fa3f8ae96159b44c1cf2fb9761",
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}