Transaction not yet indexed

iUS8M2jz7YEmsQqi4W1zFwkYWxPCaxnSDbQC42QX6fCLsMbK16LUy19zfMDWCgKX9wg1bPFh5uwKT55Hxwb3oH7

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