Transaction not yet indexed

Sow155iuKVSz11TTWWYBcbzFB5YjVMT7bq4neaFF8KW63ZNJsnFec4ZNPNfNyvQHbkJDbEgAXXcMQjY9CtYU7Zi

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