Transaction not yet indexed

21F99ytQCUxqWrGaYDC92UZePf9bqgj6UJFp2rzCE8bdfgDr3gPp96S5LGerzVVpE9RoVRRcjh4QuTKn8dJQNDoU

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