Transaction not yet indexed

Sx878EKNeCmk6fDdeyJ9HtH8MdsDQVFr1VGyno6LcFuberHdawTQXGSDyWxSsENrvqo8nUgjrqwTAV7Ym4LNXTM

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