Transaction not yet indexed

21sMc5PDTyMxav7QuQPuPbfvmbJyTufzWbjJ3XH15bdjgPsXz7WSP9MSv6PrsvpDx7FBcuXJJQcNsFNviB1Xj4Pm

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