Transaction not yet indexed

621NrMESwaSgncq6N5hFT1LUJLkwaYbFvLVVso4AQghRFTDiZ3M7GYQyXhLiBBgyQmgMrr6rG4BuySBCPSzvssP4

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