Transaction not yet indexed

64Smsf2c2dMWHew8bM8m2SzsUeCfQrMtHV3vcXmcacReXRqnfdKSjpfsa5ppkMLgE2EP1yAtHjeGfrKmK6sFHpGd

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