Transaction not yet indexed

5ExC2GUQkRPMGRadehQAB46ufXDKEWUvLFtzxnBbbQ6YcT4c39a33BkiDUJUH3ECRmDz9GgnkzYoSmgGg7Uj6Um2

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