Transaction not yet indexed

53R7aKqoiSqFou9HVFCznAsMTb3SdXx7SHBNgGp47ioRuH2fWBVbQgUmRHVbFhB1Le6UCTcFcq3afdbVQB8wPp27

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