Transaction not yet indexed

mYaKk21gvyFxwjBvXS3KM7b17XcHw1DZvVC2v4v2zoUp6PCRmdVNdoa4QzQ9KFFbhkwpVZkumioA3RULV1eLknA

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