Transaction not yet indexed

RKb8TjYvZeGz6f5kD6tXwR9a23dWHkDdbka8n6XBeNwF1z7gMgghzSu2buzMCbVvkbtvveSXLqAfK9mdpn7Rfp9

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