Transaction not yet indexed

21NbT71ySMBnDVLfKCZLfSRG8Ai8RPHHExTsJTxNEmXTDfGmdesb1A8LNJVaA6bQbFi9uk3kusxyaBN4GZzX1Za9

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