Transaction not yet indexed

21mamy3rJ89rheUhSQCP9QbWTSdz9onSEK2JyLArYS6Xj4hybyP2fSrfUwesyJuQeeMLcgoDRQjGMTYuCL3dwpFE

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