Transaction not yet indexed

55us8am2R7ha6saW73N3aKNEaDbyV63Qvyv6GWSdnQ9MWssRgMZk6ni6zs16Jd2EtA8wmbfr1XnX3Fb9ZhBeHFP1

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