Transaction not yet indexed

21RKfoZFPkZEe9hFUkRTRD6xRNNnYDoxcnhzhGy8kdVLXmXkUWNN1b7yDoqvKPCGPuADHbkbdFcu5Zp9HkhPqSq5

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