Transaction not yet indexed

MYKTK3GxkkPfU1LFLNDKPddp8LgZSAynmUfqAeCTRS2aeUb6G6YcCLXW4WXWYeXwC9iaEVAP2cexQyQEBJCEhcZ

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