Transaction not yet indexed

yMYpiS2AMU7iu2NaU5xZ7vXpP9YQ1UsKjURTK1XPUSEZWrFqayPgntbNMyoCGkS6v3ZjB4HARaL6JyrQT2ud748

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