API call custom script with string array in parameters

Hi

i want to call a custom script via API

Public Sub CCC_CreateProject(projectname As String, pOwners() As String, description As String,costCenter As String, pViewers() As String, pMembers() As String, pAdmins() As String, expirationDate As Date)

With this Body

{
  "parameters": [
    "patest12",
    ["1c1230a3-11b2-4392-9a94-b9dd4e5b3b43"],
    "TEST",
    "TEST",
   ["0b690d2f-7494-4ee3-a41e-13a8ccec8a9"],
   ["509fed5a-07a0-470d-8804-2303948ac52e","e89a4f8c-9dd0-4567-82f5-5d6e0ce1bc6c"],
   ["dc111cf9-133f-411b-b119-e533f52965f4"],
   "2023-01-01"
  ]
}

I get this response

ArrayConverter kann nicht von System.String konvertieren.

Can you tell me what I'm doing wrong