Transaction not yet indexed

MDAb1k6SLriP9ijvwbs4rhnR9LRyAKxRbykak6p4eAWjLb9r2i8XMNTLAeEk6XbDkXGSrPuYgK933qWShQFj1Ms

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