type `ReceiveSecretData`

`common.ReceiveSecretData`

Field	Type	Description
participant	string	Participant Public Key.
contract_id	string	Contract ID.
secret	string	Base64 Encoding of Secret bytes.

{
  "participant": "zParticipantPublicKey",
  "contract_id": "a18f7224-a7c1-41f8-b14f-75e920b8ea81",
  "secret": "SecretBytes"
}