{
"success": true,
"data": "<unknown>"
}Chaining a concat will create a new draft concat with a pointer to the Chain-To concat. Then the user can go ahead and type up their new concat and publish it. The system will then create a new concat with a ChainTo value of the one passed into this API call.
{
"success": true,
"data": "<unknown>"
}The access token received from the authorization server in the OAuth 2.0 flow.