Transaction not yet indexed

5MefJsmfVUqT74WJWXwGDsuTfTj2YcEB2dinenNGKByTJ9ggLBqZGS6fUXSdjeBjpH9K5wVwUAx5aDj4ZHgBSQkZ

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