Transaction not yet indexed

4b21BhHeQw6wUHV15fQSXftTdf3QSpWAEC9zGJMXPvyWqn41y32E1SdzLWB6crHS392JeSC8unCN9j6VaRfNpEB3

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