Transaction not yet indexed

MR88jnGoGf54GC5gArAmR7fHg3pq42pgDj8bqMKTSdy5iQaf2rjpKDn9Ms8dfFUN2v8Tgj1LhAzWAD1CtkU8PPA

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