Transaction not yet indexed

iUNBSnBxzyfE6XEss7WvEqEnjc9FsyfWF9r34G4nDUcABQrLdyTHpEty2eU1wu7SYdJGqfroFpDNfAPnNFrxKi8

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