Transaction not yet indexed

55Sh2bPYJD64jVYDPMF59wk3DfCZJaPSjxJHMoYBrpqxqH6EpumSYCs8VCHHoqpYSUGUqG3VvzNZbGsFmmsMgJ9x

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