Transaction not yet indexed

55LkBNRdBNaRT2ApqC3R4KnVHNCpKUHgcd4Js5ZuLzi9ePyzDSSWyqYodbtnGBKg9GSABJPeKnMXp4f9P7BLKfc6

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