Transaction not yet indexed

553MdRPCcZBCfcfXDuDqeYtFecg2ZPXiEtvpW4i2ds5gdBPGav7iymuU2cQZbmcDPcKEdGATQGUAsVHB5JH1Jr1w

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