Transaction not yet indexed

255EFTt4nbPbSyMNfh6UWtuspvGTJDRgZVCQ9bXcTg7mmABGUhyAaqPXhAJKRGzXqdC91oPcpcyQrtU7kdWjJbs5

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