Transaction not yet indexed

Mt6J6qFpLqF6GNcbaZriR1swhnCE8xR6JXq8WZFv3KDb2hudrtMxSmB2vjc3dHNGYNdttEQW3F31fhC8vmRkSER

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