Transaction not yet indexed

21ACG3aCc6dpubvXtxcZzbMuGiCPsz1mnppo7szAZVRBGre2My9e4mo5Wi5NnNkku3U6Mwiv1EXztdMVTnqxTo8s

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