Transaction not yet indexed

KP19dHxbiuqnf2tuj3qcnAxALwXp6XVeB2f4UsnQmnjRdV5hQ1QySqYVqR4Rd1xWQ8EJxoSAS2bc6xZKxU8KMnY

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