Transaction not yet indexed

MkM4ha6z6ZUERNCEpZNY4m7uxxUBmstHmfCWEiAeVQTAjLEgFBt81FcU5kcsvkbVe4AtHxd6wMSBSSLtfB8wqcy

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