Transaction not yet indexed

MfMbX22cUj8ShYNKihwrr6bZU3RrMedUfkmPfMJaxYHJtfTA6sLLxF1Wjf9YcFx5Ddd7vBMvYtKnQPiXhUzp9Ej

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