Transaction not yet indexed

MUbX2jmjzbVoNacmK7HaSjqJPavVCNcD9WRPQPhjBTMwfXmMf3GTg6o8FwqFCRwKMrc8CtGfMa3jBmKgXsG2Gt4

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