Transaction not yet indexed

66FfvU2F28LAmEr3vHVG1da3QAVDRKXUh8917jsMahjoNZpjSSTKB2bWYGfnV3yWiXRovoxoz5NfTMWHUhsMZcr2

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