Transaction not yet indexed

21mkeDvQTLVKjs77iVAQ2nMvNZCmoTU7RBtWnWMphMn6rEgcGxGD1jCJLcpXyn6bJb6UDyEpBzMpGUe3tkNnbbk6

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