Transaction not yet indexed

53NbFxfJgtteFiHdwrSnRq1UBa2dpofY1acGJLXF6WBPdJ5SL3RGBTBJRoCDQySsdg7j4eRbD5ZmxDPzqFeDVKb6

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