Transaction not yet indexed

Eg88usNF1aWRJ6CPwHqmcGUbctvwF6QKSKnbQuwnnAgUc5im7KqA4jAvgPfiX5LgNYMVYpuPDLhtQ4HhKtnqEoM

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