Transaction not yet indexed

mt55HXLUAhMoYimswhciCA2oCgo9GzLsQfRRd4WKdiaV7gugRM6zmgXjFKMEwa1bvWsEL2KCekpwaB1mgYUPSw7

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