Transaction not yet indexed

21fcMk88uRRcxmkBGgGpnBwGVLfmS2aTqAvHTKCM7JwRivqkKtpAAgtSfsGkcn6mQjGDShVxnP2V4Rjk9vYKnBNJ

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