Transaction not yet indexed

NkmkUGhfnWQ3ZMY6iddcQ9PX1TDtrhgLTFMjPtKefAwg3whG8DtLyGdbDwDRYBdXSsFiDKL9kXeVmPoer71CDK9

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