Transaction not yet indexed

53aChbAdFR7hTMop6HNRB5kqqJ7FujYPXe1Xj79vn4DHC8YWWp5fd3ZYfFuwxy9nFEMQ4C1qYnP66PbchSsYCoo4

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