Transaction not yet indexed

21mkxn5mEJD5EkxExdASng3RbW5d7VGK83g4TDsD42Vj7zHQTZiQpcKX7YCJpfLAEn2GyBgXUekrCVPXDrM5gDFT

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