Transaction not yet indexed

MMvR8dqPystf9mthaNkCmYpM2hg2nhXdK5z8jaCG8C6aTg6Hpr2kcAGoAPYB3ei2fN22Ca4pzAdnwQm8eTAk9ey

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