Transaction not yet indexed

21UkCUwqgTkcBq8Ymwg2QVfvGc3YynRN5RCPxMeysc3Lmqh323EVeKpt4fDMUecbG6a1AGo1W7QBb9CqP25M3eM2

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