Transaction not yet indexed

MDP6WtXa4UMUe7tRrAKQ2xVhhdYamHRpv9uSU5gKGB1dvMy91PFuD7h12ZQLfHBDsHHv7Yn31Tp5tBy2r9fgiYE

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