Transaction not yet indexed

KDMMm8QmrCTdhCr4evWP5j2v7ufFRFzS9xSBXMZ6fLDJZqQ9q5exb5Sy7EK8R1gCfkMA7BNSxjDBb8UbxPZhrVB

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