Transaction not yet indexed

5Nnm71AZWSCkEWxPLSFWKxZrNb9WhPsFuW2gXqUbUBmGuTH9wbmBHi7sZe2vtmV3cDZXabkMyaVGXoo5tV3N9aPU

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