Transaction not yet indexed

mfERmDAHmExTGqDcmWcFDtXXhLntL4nPaeA4u1Nx3DU6i3aNFqs6iBqA2t1UZUnAw1CdZrUyQSCtzJfumucASig

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