Transaction not yet indexed

21y6f5iNq1eTWGYhkF7JnWi2Za9JuBJEk9kEf233YrLFrCptvNfVRhoqdvdjKBm891SM5ecdLRsyRALUbctf7pR8

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