Step 13) bVASP decrypts KYC/IVMS data with bUser’s private key

endpoint
`POST` {{baseUrl}}/api/v1/server/decrypt_ivms
params
"private_key": "0x9ad45912d4f7d60f1dbb263bffdc0ea8532e8b71fe60d36578bcdd1fe1480ed0"
"kyc_data": "BD1jCMLjET4BWFm/t2oA1lR4KTuG1Zc6LCK3Li130VLKNYWTqV2tbpDnBTB9/B1c+FJvNBJZ+qgrcpLkWP4YrI2Q8cKJzNdpCUWuvr7dCkFXyGiXwPHkq6KorL/yoJFfqyNwBRGjkigPxKbMUQBvIEufG0901NKjm7bCtM0unEaC"
private_key must begin with 0x
response (200 OK)
"{\"originator\":\"originator user kyc\"}"