Transaction not yet indexed

53STc6QqDwSYjPKkA4bf5Ag9WimUv34F4cepFAqebGPHtGdwj8eUHSP9Z8RptF2eUEkugZfCAYvBy6nuNSnToBkx

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