Transaction not yet indexed

ymD78BkSKPAcPeMxAQFPefbJx1gXWwzE8BKNqdMG1UvTznNB6LtPBhimEWp36wQUDeyFSLYPdFi3MSM9koMBEDq

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