Transaction not yet indexed

55YSkC7atTfPFDwAFkFGtSPtw5i2aGdUrh3hqq6nDNnpa4qaAeucFEvu6WcWgoWFfZ2G6s7FMhmhbj9mwKXT2XN1

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