Transaction not yet indexed

Rb2ubng1LCN4WfgZ3CEuEUW2rnP6evvAZuLF6hU9dZW6X7QEAYnMJLA248DM2qDjL8KieEbVFHj5Uy5pLBiGmR8

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