Transaction not yet indexed

a3rb19tbNbcJAmBRP4YC6fBwUCXJbDs3V5pxTXqGoCGaRL3xi5BS8qoxBq4wbtW4deW1C8cKuJgrdoKTLSGeBj5

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