OperationKind: "transaction" | "origination" | "delegation" | "reveal" | "double_baking" | "double_endorsing" | "nonce_revelation" | "activation" | "proposal" | "ballot" | "endorsement" | "register_constant" | "preendorsement" | "double_preendorsement" | "revelation_penalty" | "set_deposits_limit" | "migration" | "endorsing_reward" | "baking"