Transaction not yet indexed

21kSo7nEsJWDuYUyjD29DTHNpcToHmZAcWMTow5f4CGCm7grvjwrRCyTm5C9DU7FgEPdSkS4N1kYFhCXnbR4gAiy

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