Transaction not yet indexed

53u8VSHEAUrmDniEx4fCM2VCx3PkropNqHWGYbLKy9Uun9hAqMqKJr3En1peCb5Ffc9kX2hbx5LS5H6EL7SmBvou

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