Transaction not yet indexed

21iSDjvW8ofsqC3opimfVa5qqF9WLGtyrwUQuGz2Pycg6y9BbvsXSw3ux3s6UYBppZeGS19E9a2QMNKvqYcJ7ZT8

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