Transaction not yet indexed

5ffmmCpkMCUK7kFbKN49i1i5r4GLNkv9CJ8XABchiQMSrmVQBfya3v9S3C8HQgBoTmmC7F6uV4S1T7CCLPdMi1Ss

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