Transaction not yet indexed

21E4zKey2ehHNhUseWzpdq1v1h7Wmd4M1bCUYrbMinYV4CAVLEArG6NmiP7xMMWGQxRBZot8wqGCgJ4Vf9R4QKtk

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