Transaction not yet indexed

4K2z64p21tgEjYYG2eTb9sKb2PBZEkYYkHf5RCJcWPvEiPWpmgemqaKdkFVBjuVezCmzspU7DWHKQUAjzfpqTT51

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