Transaction not yet indexed

ffErWXeLrDMBD73cTPYwZ7ZTQZLZZuYssaU6nE21Cv17Egg4xYQdEqmZZLvp1dKXKVkgTpJSvQFQpt9aoriUFS2

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