Transaction not yet indexed

S55mhBM3N7B6WdmfXjpCQgLqNY1cSFYhxHdnqh8TVCh2zdz9NmWeYBS2DPe4tDPujKugBDf4EV7RGfb5ynqZwUm

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