Transaction not yet indexed

a6MmvtiJh8kwUrtTTXFu9dG4pZykhTx2ErXjLPuLgDMp2nCPwrK1N7zT71JreYjN2UFVvimx5nhqNeeSSKqTffC

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