Transaction not yet indexed

53U6bH87uZPtRQuAw2Sef8aqXdnjAvXGUbb1DpaTiG9sGHza7cjo29VQLSPiF194MqVUoK8vVP7g3uiwcKYtnGs4

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