Transaction not yet indexed

53sxJ87jMhGxSYB6eQSLPU6TaEXvc6Bjp5qfoNA18aF5KVFqAnPLtok7fjtPPD2tQqe7jqViLis5kB4fUzwyAsW2

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