Transaction not yet indexed

53N7bZB83enbufoEt5Xf28CaFCfjKwRQQBxBGReDLA9hzWUBM4TMvbaKPiw1E18e8QdkPqU1fMbTyVJGrbSwpBL1

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