Transaction not yet indexed

53Sf6k1ENythpm3eMAUCe52ii1hiqGdHRXFji8r9kZSE7uDYZLyKa5icPmWyBDbv5PF7936MVmNGCh4H4c6vfS4s

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