Transaction not yet indexed

21d8efMvKMbKAGfK8j2L1PSSwRow443q7aTZT1x2ygYFZwzbx2tqxMNJKNARG2UJ7fiPb3CdJEHnDBaPd5CNrr2R

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