Transaction not yet indexed

RCNg8EqkYfhUVh4kvu16utPpkoiG4mFmQTj7dHAWWzFypsucxrh2eyzDgVb4eGDbPLtyu1TKMrqGWUtXJNsSp19

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.