Transaction not yet indexed

UUCMbCgCpA5eFZH74nmzKyG6CfcstLbWjbYh7FrTRsrLJj7Y6xKHf9wr5BAjxcHTMVb7LAizBBYJUFbucESCd4Y

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