Transaction not yet indexed

mFfNgK16aNh647byqBLbgc1LExNB15PbB9uMsj3KvSDcQAVbdqoAp6m4RP4MGjnq1VBXGpjVgH6nvoV7AH2QgtS

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