Transaction not yet indexed

21R2bSJM2iusQQwM2gr3FUaSuJCdTMVEo9uqKdxtbtLDPvfW8NDmNUWtcbMaRKMBuk96G1HHzK7KwtjAi9uWPHt1

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