Transaction not yet indexed

21Ccb3tACEq8Vv2NDkvS53vQ53bUAw8AoW5cbADvbcfk5Z7DgoBCFHzDrUw5pmPg9Q9vvnLyQPye1jchJv2HFyaY

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