Transaction not yet indexed

21mckJXhVd1Qcm5k1aALUoBUUwbmoUtUoVC9zPbUW6GtoFQJJT3inGXkaSVDPVbzfFtmVDNigD8BCg8sFvJEvxBL

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