Transaction not yet indexed

RKbEZTb4eqLgiu6eKjm8UeocZ1z6eVF6TKiDMLWferUE3pmEJSzXadjEgADLUMYUp9Bb8bhutAHKgq8W4d6KQgM

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