Transaction not yet indexed

53EXScCnuC7CDNv42Nb2UdXQgV3dpKnnVRkebQpR2mbQ2QTKgU3xWCYUjbaoJsFNszHTn9oMCuE2tBPKzyfvQL1y

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