Transaction not yet indexed

MECfp3DfLe4BaPv4YmEuZK13u7boDZSt4TPWoVZZVwwp5q4ZVqVzcpF6Weww2KtmfKMLDdd4grC95bQKc6EMSHD

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