Transaction not yet indexed

Ub51yK8AqJdR8mYSztyWQqS9mwAa1no7cHZShvfdSsUQ5BDWA2FkdKgKT4fC8dukcdPKTY2MwC8uC7zWsJHDoTk

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