Transaction not yet indexed

5REZMk3sgKycfQX755HEgLoWMfzKrFcbHTTC5p6kTpq3pNbf5HzQqx3AzFKoysDqWxY5NeYQ6K5AoVXGUzRCfv21

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