Transaction not yet indexed

21FUZ5vTfPc7ZRn3PLreL2SQnhMFYAsP5YmJqxtdvrfPYDw8LHaxq87ZNaXsiPmLfNEWDTNBQF6HQStQYaUU7uR7

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