Transaction not yet indexed

21ExkMJRtfXvfXrr8k7uCFo2JaPo2jnWvA7WTxT43LVRaYUHrxRyEx9XbLD88gDHeBLXb78xZqYU6CSHZpHC4yw6

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