Transaction not yet indexed

52Kn81SmmqoJdLj44zne4kThSSoRaQpGFp9bMGeXDY8CbMDCMz6UZZT3ghFPx6hDFSAYpm4qpBHpnpe8aFcuFKAc

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