api.v0alpha.UpdateSignatureReq(UpdateSignatureReq)

UpdateSignatureReq - request to update a message signature

{
    "signature": {
        "signature_sid": 0,
        "signature": "string",
        "date_created": "1s",
        "date_modified": "1s",
        "deleted_on": "1s",
        "name": "string",
        "description": "string"
    },
    "field_mask": "string"
}