Transaction not yet indexed

HW121vHffGMR7ciLiQQu8v8ZP5mUS3u538CztPf6qvydKzdDUfMAid4TKFgPrkUn7AB4oMbqffV5Ghy4yMEcdp6

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