Transaction not yet indexed

53mah2igA7bHCd4jJKQPYNm57bUTmgeqa4kDCZLHH9oAy5w4GC4dXoJqUHYoBXRSfzNLeuhRLJtLqFhCZERS18dU

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