Transaction not yet indexed

AmbNBF4o1c18iof8aATwb69NgbLWWuabY9AeN4zsZ7x2C93mhBraBeMMG6KWa8oEq6A6js3cQsqXLxUnPFx7t47

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