Transaction not yet indexed

52niz5B8AonYDpqMqrP8qxYKjEt2e8a6EY22KWgaA3yWLvVwPmGmM7cvrRYdMUwe4sNUU6CMaZkZ5pJ2kqfDH7Ck

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