Transaction not yet indexed

MM56mQ3z57GprWU3ghAMf7zY68mDo6cTCP5VJpmwpwBz9hUwFaE1cDA5gx826bCP5Y6Mfgiuxauk7bz5CqQMDcV

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