{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x86bcd1a817b33a58ad98f93c5c5810d4f388a6821639584c55081afd84b8b2b8",
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}