{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4da1069389c883121f8a4b6805476796ea20a25d2bc673c0efa94a36c2408d44",
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}