Transaction not yet indexed

421n8hp8v7uMSqDtG8DSBfsKHAMWoLwgsWLtEPLQUm2mHaBnHEePxfXVmZHGTXWkNLMhHAZJkPn5a6kPVB4e2h7v

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