Transaction not yet indexed

mE9aatTiPi97SHzcjbVYQTYCd7got9dd4YXdZ4E7WbM5VSqAYqbejoNbnLF4zvZFDGKx6KhWHQvv6wh3kzRHcN2

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