Transaction not yet indexed

AMYU1dRxxSm9LSdNj7StJFuwGe45RjwgySZ1PJnPjJWXKVBXRwGVtMyQzAkJL2VB8gdSQ3ZecucAZkjPqPn3wRU

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