Transaction not yet indexed

mMU4MKaaAgsxmy2tzTpHJMstQLN1wBnbwQ1EiC9xNLzFHAJEGokRCFKc5dw9SwFKTtEtGZgcs8UZBjPd8sHMepC

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