curl --request POST \
  --url https://app.magna.so/api/external/v1/transactions/create \
  --header 'Content-Type: application/json' \
  --header 'x-magna-api-token: <api-key>' \
  --data '
{
  "action": "INITIALIZE",
  "contractId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "adminWalletId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

{
  "isProcessed": true,
  "result": {
    "transactions": [
      {
        "transactionId": "t1...uuid",
        "status": "PENDING"
      },
      {
        "transactionId": "t2...uuid",
        "status": "PENDING"
      }
    ]
  }
}