Transaction not yet indexed

21tMMX9DkJCHciLDnyjbLdt6zzpcs9UfDtZeMhCDyNUoHqFqZ2Qm442ifFbb3H6d3JjSoweKFkx1zNGZAnvSWdEM

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