Transaction not yet indexed

478tt2PkJQLExuLUhEoAo293mHgexna3zzsG9Z4iDEQCaaEXyKNopcXQcHDSpjYkUX8ePi5iUmRGcEMptL6jDH52

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