Transaction not yet indexed

21NMkoTdSQUMMT1tnDFL83R13dH9fC56MyZ2LCxznXPSzDHbQuQd4zRw7tqMsv4F8iMNt8F9dMkekpuWvUhzB3dy

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