Transaction not yet indexed

21FKDtGGrPcFkDS3ArnA759AGsfVK5PMRb3R5EyNj9o1ztzMyA5mS3ddqR3fwGPVpzniERGrhZipGpwc8WXSsWEZ

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