Transaction not yet indexed

21GUCK5nFro1VBRwYsAf21m3EaYVPBiJ6xyApFdGyYoeFyDBKGVRnCtDro9CEhb8MHNaTAoFHCiDNhGNkzBG5G2Z

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