OptionsIssuerAttribution(OptionsIssuerAttribution)
A dated walk over one ticker addresses many days of stored state, and the
string can have changed hands inside the window. Without this block a
caller cannot tell which days belong to the company the ticker names today.
{
"attribution": "known",
"current_name": "string",
"current_company_id": "string",
"reassigned_on": "string",
"note": "string"
}