Transaction not yet indexed

556F2PbH37PgfYYuQHu8jrCESwQff9QBiuadvpSPnoSqMdDthTAtGNusdk5HSQChuBgEAp42m2WtwLxQUWwH6Z22

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