Transaction not yet indexed

mC3c8PkVTC3eD4LMPgKEXsLheF8gnTDq3FJXmmZQNHqaznHQP2rsRhT5HKYG8My71WZ6RMNm88KyHaHWpaY5ED7

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