{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x871cb924e8457e895a8259c5a5a83237310586030f19e6fbdf57fe1fa2b70b44",
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}