Transaction not yet indexed

mpB3XiKSEDhZjGfAcNyv5vRudNUpaKddjojvPLKNhxneNDvAJFuNfAM5GK9Y4LTNTYJvmtDZtNh4bGBTBUJTFek

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