Transaction not yet indexed

53n8nmrwkf1o7DEFtMmP5mXH2Z1sjxRjDC2uPkPyTUuCPaExhC4mfQMkqRUZNBHxBiaqngR3c1WqnpNsNDS9jtfQ

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