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

endpoint
`POST` {{baseUrl}}/api/v1/server/decrypt_ivms
body
"private_key": "0x9ad45912d4f7d60f1dbb263bffdc0ea8532e8b71fe60d36578bcdd1fe1480ed0"
"kyc_data": "BGqavksg9ZzUjsAr8AcgxQQ3BCNqBdijdk5kv4YJzDVkb7l5386Z59VGGLJbjwX4oxmrAVk4FILLdtwXczFVk/Lz5jgseoidTxubmIyZ5XN6xGFBgRvYim68G0WQarY/GEOTlMIfyWaFIofLtG3rAHkRIn5aIJnxbGT4wTrwZM6gNcXiS07rHWlDJmlIL+XOm/n1WU8D3oA="
private_key must begin with 0x
response (200 OK)
"{\"originator\":\"test kyc data 0x96ee37\"}"