Transaction not yet indexed

4kv21oTgwM7dyHkwtWB5qRCKiYpXpVY8g8cmwe2WC8jF7TeAn2XbZxy6gPTDRxL5Yzmc2p7kiJcbg8mRMktkaKzU

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