{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e4bf07bab20f4b7db273969775cfd737b57dfa77b4cc3fd688868fb97619362",
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}