Transaction not yet indexed

53UpWCsQ9pAKbKANnMkxo7k9mvYT9CsZvUZL48adFFL1UeBd8gBMrFLfVsa4DTu5NQdVMHE4dQBAJVUM526ibLK1

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