Transaction not yet indexed

5b1f88aTbR836BB167DacBd5jE5xQfcdS6WiCeR6uBHcEJSG4AYy7ifWuj5TWGs8oKjVsW1AU8GskPjcPLR8TmxU

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