Transaction not yet indexed

MExWXB5qDNabb2eDChyybLbrtggVseajCnCpfYPMuRvpFnQ1vrbHzR2iyPpvsDdqaYrGmbKD17Qhsz7Nbi7k3EV

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