Transaction not yet indexed

21Nb6csZyTY1RKYqtH9Hu9gR8HR1FD2T5rsLQFgp2MWCbfmNgGSnPrUX7bokejLdZjNBV9pteWKXr14X3iGGoYkg

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