Transaction not yet indexed

SxmckRPgYYMkiBmFxGSsFKo9R2m3c9bKyY7QWyfemZ37PPPWDWWdsXnp8z3b2beXD5n9hZXkW6H7ioBTrkujAps

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