Transaction not yet indexed

5MamfNZixito63tBcV1jUvWvpcFxjmmHV3u8vB8NN7bFjDa2tWtsHdCndNtpZrQMx2uHvhmNet2akTLHwqTC66Gv

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