Transaction not yet indexed

1UCEUM8x5VCVw8JcBZ2fziRfUUDTEB5pg8btYUyapSWwiv9ZR4jYRik4QpBfLMq1bGL1gexidBGv5uLWaQSaeqW

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