Transaction not yet indexed

28DwC4EiBwRCZ7fjwLkWzGeFrKkSeyLTxmXAV3Xj5JfYkV2X78MZSFR6oJtYGDPBGiNf1n7vRe1qSmSsLQAFDoT6

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