Transaction not yet indexed

4c21DSZgZsniF6hwShA7CS6NiMPwxW2EsvpiiaP8bYUYagro2NfMcbNPK7Lt4gV1Di1SC1UseCYw6ygLb15YkP8p

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