Transaction not yet indexed

mDDyXP1GHjXBUXy5rmEMYFkGVcLSZPk6FSDgpVDnwJmgjMFaepsKPdVHtbMaNsNDaR1oAKnR3CSjnZfGBTJ45HP

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