Transaction not yet indexed

MPkWokwFcNSHiiss3pWxU26HEUWNjaU7CYkqCCiEUTNsT9eB3dij7YvbBa4YcJZMPwVPRfHeEAX4efC7dExe4B7

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