Transaction not yet indexed

ZMNnfUeJWMH1j4JsbqaQUFnVsgGTKt9UpYV76ZbSn1ME6dwbZdhCwhfQC3i1S3Uv8cpD7UsCdX14oaPH3KvJmEt

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