Transaction not yet indexed

21Am2eHxnNJFzuLRQfzkFwCaUSTWxcRKSFy5hV8mdUYVwNnv3YChJsaMNLGe5rtGq6Zt9DXrEPdqZKXMr2fmAvkk

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