Transaction not yet indexed

5u3XpM2aDGM2HKMNZeHExfpaYFUtnoDB7W3iV2mnwDs1YaaX3koqoMno4jfjVLj8SZcEybxMosxmY18o8GTcTLf8

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