OperationName:
| "account_create"
| "account_create_with_delegation"
| "account_update"
| "account_update2"
| "account_witness_proxy"
| "account_witness_vote"
| "cancel_transfer_from_savings"
| "change_recovery_account"
| "claim_account"
| "claim_reward_balance"
| "create_proposal"
| "comment"
| "comment_options"
| "convert"
| "create_claimed_account"
| "custom"
| "custom_binary"
| "custom_json"
| "decline_voting_rights"
| "delegate_vesting_shares"
| "delete_comment"
| "escrow_approve"
| "escrow_dispute"
| "escrow_release"
| "escrow_transfer"
| "feed_publish"
| "limit_order_cancel"
| "limit_order_create"
| "limit_order_create2"
| "pow"
| "pow2"
| "recover_account"
| "remove_proposal"
| "report_over_production"
| "request_account_recovery"
| "reset_account"
| "set_reset_account"
| "set_withdraw_vesting_route"
| "transfer"
| "transfer_from_savings"
| "transfer_to_savings"
| "transfer_to_vesting"
| "update_proposal_votes"
| "vote"
| "withdraw_vesting"
| "witness_set_properties"
| "witness_update"
Operation name.