Transaction not yet indexed

mfvb7HAKAYXoKyBFPv5tEkrSPWYKYybgdxdDmhVTvWJwEtVZj8dxApWFhB4tf1KXeTHzCoEb6qeXKrUu1c8ZoYs

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