Transaction not yet indexed

RKUBcUCRcYbqdAjpXsZ4tV4Amj74FbVdmqTg3nCfKXnjo1TFiyE9ddgMMgN5fHa587aWkwQYcsxdtVZFDbEdZ91

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