Transaction not yet indexed

53JS2hKfwZ8hjS3vHCdYn2L9q2SaAc8XM5gWnFsgMXdBjMbbATxLJs2xqe8J9pobYFnsRSvEW4eQNywMoWzJgLL2

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